./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/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 9399fd1973c407bf1d8cb1f825eaeba76c4c394b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:58:29,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:58:29,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:58:29,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:58:29,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:58:29,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:58:29,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:58:29,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:58:29,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:58:29,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:58:29,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:58:29,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:58:29,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:58:29,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:58:29,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:58:29,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:58:29,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:58:29,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:58:29,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:58:29,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:58:29,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:58:29,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:58:29,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:58:29,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:58:29,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:58:29,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:58:29,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:58:29,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:58:29,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:58:29,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:58:29,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:58:29,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:58:29,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:58:29,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:58:29,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:58:29,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:58:29,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:58:29,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:58:29,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:58:29,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:58:29,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:58:29,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:58:29,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:58:29,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:58:29,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:58:29,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:58:29,607 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:58:29,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:58:29,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:58:29,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:58:29,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:58:29,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:58:29,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:58:29,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:58:29,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:58:29,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:58:29,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:58:29,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:58:29,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:58:29,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:58:29,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:58:29,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:58:29,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:58:29,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:58:29,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:58:29,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:58:29,613 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_9c028da5-e378-4276-9fff-d6cd58e6ad64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9399fd1973c407bf1d8cb1f825eaeba76c4c394b [2020-11-29 18:58:29,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:58:29,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:58:29,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:58:29,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:58:29,943 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:58:29,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2020-11-29 18:58:30,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/data/f71935918/302d2dc56f4a4550bdf30b845f30c2df/FLAGe4dfd9003 [2020-11-29 18:58:30,532 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:58:30,533 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2020-11-29 18:58:30,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/data/f71935918/302d2dc56f4a4550bdf30b845f30c2df/FLAGe4dfd9003 [2020-11-29 18:58:30,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/data/f71935918/302d2dc56f4a4550bdf30b845f30c2df [2020-11-29 18:58:30,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:58:30,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:58:30,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:58:30,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:58:30,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:58:30,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:30" (1/1) ... [2020-11-29 18:58:30,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d22c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:30, skipping insertion in model container [2020-11-29 18:58:30,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:30" (1/1) ... [2020-11-29 18:58:30,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:58:30,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:58:31,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:58:31,228 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:58:31,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:58:31,369 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:58:31,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31 WrapperNode [2020-11-29 18:58:31,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:58:31,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:58:31,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:58:31,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:58:31,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:58:31,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:58:31,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:58:31,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:58:31,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... [2020-11-29 18:58:31,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:58:31,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:58:31,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:58:31,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:58:31,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/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 18:58:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:58:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:58:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:58:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:58:32,523 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:58:32,523 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-29 18:58:32,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:58:32 BoogieIcfgContainer [2020-11-29 18:58:32,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:58:32,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:58:32,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:58:32,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:58:32,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:58:30" (1/3) ... [2020-11-29 18:58:32,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf1045b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:58:32, skipping insertion in model container [2020-11-29 18:58:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:31" (2/3) ... [2020-11-29 18:58:32,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf1045b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:58:32, skipping insertion in model container [2020-11-29 18:58:32,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:58:32" (3/3) ... [2020-11-29 18:58:32,536 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-11-29 18:58:32,546 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:58:32,551 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 18:58:32,561 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 18:58:32,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:58:32,598 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:58:32,598 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:58:32,598 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:58:32,598 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:58:32,598 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:58:32,599 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:58:32,599 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:58:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-29 18:58:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:58:32,629 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:58:32,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:58:32,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:58:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:58:32,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1862271915, now seen corresponding path program 1 times [2020-11-29 18:58:32,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:58:32,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766152506] [2020-11-29 18:58:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:58:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:58:32,915 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 18:58:32,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766152506] [2020-11-29 18:58:32,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:58:32,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:58:32,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315760952] [2020-11-29 18:58:32,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:58:32,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:58:32,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:58:32,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:58:32,936 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-29 18:58:32,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:58:32,960 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-29 18:58:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:58:32,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 18:58:32,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:58:32,971 INFO L225 Difference]: With dead ends: 147 [2020-11-29 18:58:32,971 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 18:58:32,974 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 18:58:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 18:58:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 18:58:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 18:58:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-29 18:58:33,015 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-11-29 18:58:33,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:58:33,016 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-29 18:58:33,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:58:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-29 18:58:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:58:33,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:58:33,018 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 18:58:33,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:58:33,018 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:58:33,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:58:33,019 INFO L82 PathProgramCache]: Analyzing trace with hash 815515018, now seen corresponding path program 1 times [2020-11-29 18:58:33,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:58:33,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658020210] [2020-11-29 18:58:33,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:58:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:58:33,109 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 18:58:33,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658020210] [2020-11-29 18:58:33,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:58:33,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:58:33,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718008407] [2020-11-29 18:58:33,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:58:33,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:58:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:58:33,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:58:33,113 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-11-29 18:58:33,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:58:33,124 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-29 18:58:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:58:33,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 18:58:33,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:58:33,125 INFO L225 Difference]: With dead ends: 71 [2020-11-29 18:58:33,125 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 18:58:33,127 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 18:58:33,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 18:58:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 18:58:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 18:58:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-29 18:58:33,132 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-29 18:58:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:58:33,132 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-29 18:58:33,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:58:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-29 18:58:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:58:33,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:58:33,134 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 18:58:33,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:58:33,134 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:58:33,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:58:33,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-11-29 18:58:33,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:58:33,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318510584] [2020-11-29 18:58:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:58:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:58:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:58:33,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318510584] [2020-11-29 18:58:33,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:58:33,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:58:33,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856854344] [2020-11-29 18:58:33,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:58:33,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:58:33,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:58:33,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:58:33,231 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-11-29 18:58:33,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:58:33,260 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-29 18:58:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:58:33,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-29 18:58:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:58:33,264 INFO L225 Difference]: With dead ends: 60 [2020-11-29 18:58:33,265 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 18:58:33,265 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 18:58:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 18:58:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 18:58:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 18:58:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-29 18:58:33,271 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-11-29 18:58:33,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:58:33,271 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-29 18:58:33,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:58:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-29 18:58:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:58:33,272 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:58:33,273 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 18:58:33,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:58:33,273 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:58:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:58:33,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-11-29 18:58:33,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:58:33,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355860519] [2020-11-29 18:58:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:58:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:58:33,441 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 18:58:33,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355860519] [2020-11-29 18:58:33,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:58:33,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:58:33,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669142078] [2020-11-29 18:58:33,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:58:33,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:58:33,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:58:33,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:58:33,443 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-29 18:58:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:58:33,591 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-11-29 18:58:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:58:33,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-29 18:58:33,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:58:33,596 INFO L225 Difference]: With dead ends: 151 [2020-11-29 18:58:33,596 INFO L226 Difference]: Without dead ends: 124 [2020-11-29 18:58:33,596 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 [2020-11-29 18:58:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-11-29 18:58:33,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-11-29 18:58:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-29 18:58:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-11-29 18:58:33,623 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-11-29 18:58:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:58:33,623 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-11-29 18:58:33,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:58:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-11-29 18:58:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:58:33,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:58:33,625 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] [2020-11-29 18:58:33,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:58:33,626 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:58:33,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:58:33,626 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2020-11-29 18:58:33,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:58:33,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947966746] [2020-11-29 18:58:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:58:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:58:33,732 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 18:58:33,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947966746] [2020-11-29 18:58:33,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:58:33,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:58:33,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206937208] [2020-11-29 18:58:33,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:58:33,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:58:33,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:58:33,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:58:33,735 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-11-29 18:58:33,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:58:33,812 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-11-29 18:58:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:58:33,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 18:58:33,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:58:33,814 INFO L225 Difference]: With dead ends: 148 [2020-11-29 18:58:33,814 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:58:33,815 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 [2020-11-29 18:58:33,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:58:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:58:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:58:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:58:33,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-29 18:58:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:58:33,816 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:58:33,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:58:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:58:33,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:58:33,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:58:33,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:58:34,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,142 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,142 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,143 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,143 INFO L274 CegarLoopResult]: For program point L416(lines 416 429) no Hoare annotation was computed. [2020-11-29 18:58:34,143 INFO L270 CegarLoopResult]: At program point L862(lines 857 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:58:34,143 INFO L270 CegarLoopResult]: At program point L862-1(lines 857 865) the Hoare annotation is: false [2020-11-29 18:58:34,143 INFO L270 CegarLoopResult]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2020-11-29 18:58:34,143 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-29 18:58:34,144 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,144 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-11-29 18:58:34,144 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 906) the Hoare annotation is: false [2020-11-29 18:58:34,144 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-11-29 18:58:34,144 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 906) the Hoare annotation is: false [2020-11-29 18:58:34,144 INFO L274 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-11-29 18:58:34,144 INFO L274 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-11-29 18:58:34,144 INFO L274 CegarLoopResult]: For program point L813-2(line 813) no Hoare annotation was computed. [2020-11-29 18:58:34,145 INFO L270 CegarLoopResult]: At program point L434(lines 385 435) the Hoare annotation is: false [2020-11-29 18:58:34,145 INFO L270 CegarLoopResult]: At program point L104(lines 99 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 18:58:34,145 INFO L270 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2020-11-29 18:58:34,145 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:58:34,145 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-11-29 18:58:34,145 INFO L277 CegarLoopResult]: At program point L205(lines 186 208) the Hoare annotation is: true [2020-11-29 18:58:34,145 INFO L270 CegarLoopResult]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 18:58:34,145 INFO L274 CegarLoopResult]: For program point L387(lines 386 433) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L255(lines 255 272) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L255-1(lines 255 272) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L255-2(lines 255 272) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-11-29 18:58:34,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:58:34,147 INFO L270 CegarLoopResult]: At program point L223(lines 222 241) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,147 INFO L274 CegarLoopResult]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2020-11-29 18:58:34,147 INFO L270 CegarLoopResult]: At program point L223-2(lines 222 241) the Hoare annotation is: false [2020-11-29 18:58:34,147 INFO L270 CegarLoopResult]: At program point L223-3(lines 222 241) the Hoare annotation is: false [2020-11-29 18:58:34,147 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-11-29 18:58:34,147 INFO L274 CegarLoopResult]: For program point L125-1(lines 223 229) no Hoare annotation was computed. [2020-11-29 18:58:34,147 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,147 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L270 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357-3(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357-5(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357-6(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L274 CegarLoopResult]: For program point L357-8(lines 357 361) no Hoare annotation was computed. [2020-11-29 18:58:34,148 INFO L270 CegarLoopResult]: At program point L308(lines 303 311) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L308-1(lines 303 311) the Hoare annotation is: false [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L308-2(lines 303 311) the Hoare annotation is: false [2020-11-29 18:58:34,149 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L903(lines 898 906) the Hoare annotation is: false [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L424-2(lines 223 229) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L903-1(lines 898 906) the Hoare annotation is: false [2020-11-29 18:58:34,149 INFO L274 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-11-29 18:58:34,149 INFO L270 CegarLoopResult]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2020-11-29 18:58:34,150 INFO L274 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-11-29 18:58:34,150 INFO L274 CegarLoopResult]: For program point L259-1(lines 259 267) no Hoare annotation was computed. [2020-11-29 18:58:34,150 INFO L274 CegarLoopResult]: For program point L259-2(lines 259 267) no Hoare annotation was computed. [2020-11-29 18:58:34,150 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:58:34,156 INFO L270 CegarLoopResult]: At program point L96(lines 1 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 18:58:34,156 INFO L274 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-11-29 18:58:34,156 INFO L277 CegarLoopResult]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2020-11-29 18:58:34,156 INFO L270 CegarLoopResult]: At program point L230(lines 230 236) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,157 INFO L270 CegarLoopResult]: At program point L230-1(lines 230 236) the Hoare annotation is: false [2020-11-29 18:58:34,157 INFO L270 CegarLoopResult]: At program point L230-2(lines 230 236) the Hoare annotation is: false [2020-11-29 18:58:34,157 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:58:34,157 INFO L274 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-11-29 18:58:34,159 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:58:34,159 INFO L274 CegarLoopResult]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2020-11-29 18:58:34,159 INFO L274 CegarLoopResult]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2020-11-29 18:58:34,159 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-11-29 18:58:34,160 INFO L270 CegarLoopResult]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:58:34,160 INFO L270 CegarLoopResult]: At program point L363(lines 348 366) the Hoare annotation is: false [2020-11-29 18:58:34,160 INFO L270 CegarLoopResult]: At program point L363-1(lines 348 366) the Hoare annotation is: false [2020-11-29 18:58:34,160 INFO L270 CegarLoopResult]: At program point L363-2(lines 348 366) the Hoare annotation is: false [2020-11-29 18:58:34,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:58:34 BoogieIcfgContainer [2020-11-29 18:58:34,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:58:34,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:58:34,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:58:34,191 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:58:34,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:58:32" (3/4) ... [2020-11-29 18:58:34,194 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:58:34,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 18:58:34,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 18:58:34,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 18:58:34,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:58:34,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:58:34,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:58:34,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:58:34,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 18:58:34,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c028da5-e378-4276-9fff-d6cd58e6ad64/bin/uautomizer/witness.graphml [2020-11-29 18:58:34,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:58:34,344 INFO L168 Benchmark]: Toolchain (without parser) took 3506.65 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 71.7 MB in the beginning and 89.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,345 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:58:34,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.90 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 71.4 MB in the beginning and 96.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.87 ms. Allocated memory is still 130.0 MB. Free memory was 96.8 MB in the beginning and 93.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,346 INFO L168 Benchmark]: Boogie Preprocessor took 77.07 ms. Allocated memory is still 130.0 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,347 INFO L168 Benchmark]: RCFGBuilder took 965.65 ms. Allocated memory is still 130.0 MB. Free memory was 91.5 MB in the beginning and 95.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,347 INFO L168 Benchmark]: TraceAbstraction took 1661.87 ms. Allocated memory is still 130.0 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: -29.1 kB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,348 INFO L168 Benchmark]: Witness Printer took 152.08 ms. Allocated memory is still 130.0 MB. Free memory was 95.7 MB in the beginning and 89.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:58:34,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.90 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 71.4 MB in the beginning and 96.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.87 ms. Allocated memory is still 130.0 MB. Free memory was 96.8 MB in the beginning and 93.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.07 ms. Allocated memory is still 130.0 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 965.65 ms. Allocated memory is still 130.0 MB. Free memory was 91.5 MB in the beginning and 95.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1661.87 ms. Allocated memory is still 130.0 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: -29.1 kB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. * Witness Printer took 152.08 ms. Allocated memory is still 130.0 MB. Free memory was 95.7 MB in the beginning and 89.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1267 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...