./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G --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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:52:16,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:52:16,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:52:16,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:52:16,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:52:16,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:52:16,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:52:16,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:52:16,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:52:16,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:52:16,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:52:16,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:52:16,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:52:16,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:52:16,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:52:16,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:52:16,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:52:16,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:52:16,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:52:16,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:52:16,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:52:16,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:52:16,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:52:16,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:52:16,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:52:16,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:52:16,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:52:16,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:52:16,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:52:16,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:52:16,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:52:16,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:52:16,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:52:16,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:52:16,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:52:16,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:52:16,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:52:16,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:52:16,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:52:16,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:52:16,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:52:16,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:52:16,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:52:16,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:52:16,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:52:16,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:52:16,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:52:16,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:52:16,459 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:52:16,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:52:16,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:52:16,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:52:16,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:52:16,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:52:16,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:52:16,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:52:16,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:52:16,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:52:16,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:52:16,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:52:16,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:52:16,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:52:16,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:52:16,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:52:16,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:52:16,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:52:16,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:52:16,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:52:16,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:52:16,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:52:16,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:52:16,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:52:16,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:52:16,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:52:16,470 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_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2021-11-23 12:52:16,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:52:16,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:52:16,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:52:16,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:52:16,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:52:16,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-23 12:52:16,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/data/1289bc515/2f8e739a2e18442ab1a543e0a1c69308/FLAGba06962fb [2021-11-23 12:52:17,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:52:17,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-23 12:52:17,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/data/1289bc515/2f8e739a2e18442ab1a543e0a1c69308/FLAGba06962fb [2021-11-23 12:52:17,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/data/1289bc515/2f8e739a2e18442ab1a543e0a1c69308 [2021-11-23 12:52:17,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:52:17,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:52:17,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:17,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:52:17,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:52:17,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:17" (1/1) ... [2021-11-23 12:52:17,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605c203e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:17, skipping insertion in model container [2021-11-23 12:52:17,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:17" (1/1) ... [2021-11-23 12:52:17,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:52:18,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:52:18,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-23 12:52:18,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:18,449 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:52:18,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-23 12:52:18,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:18,651 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:52:18,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18 WrapperNode [2021-11-23 12:52:18,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:18,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:18,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:52:18,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:52:18,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,763 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 50, statements flattened = 386 [2021-11-23 12:52:18,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:18,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:52:18,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:52:18,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:52:18,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:52:18,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:52:18,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:52:18,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:52:18,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (1/1) ... [2021-11-23 12:52:18,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:52:18,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:18,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:52:18,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:52:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:52:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:52:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:52:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:52:19,074 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:52:19,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:52:19,686 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:52:19,699 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:52:19,703 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 12:52:19,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:19 BoogieIcfgContainer [2021-11-23 12:52:19,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:52:19,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:52:19,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:52:19,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:52:19,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:52:17" (1/3) ... [2021-11-23 12:52:19,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b66fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:19, skipping insertion in model container [2021-11-23 12:52:19,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:18" (2/3) ... [2021-11-23 12:52:19,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b66fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:19, skipping insertion in model container [2021-11-23 12:52:19,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:19" (3/3) ... [2021-11-23 12:52:19,720 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2021-11-23 12:52:19,728 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:52:19,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 12:52:19,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:52:19,854 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 12:52:19,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 12:52:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 100 states have (on average 1.38) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 12:52:19,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:19,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:19,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:52:19,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1347039340, now seen corresponding path program 1 times [2021-11-23 12:52:19,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:19,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698251858] [2021-11-23 12:52:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:19,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:20,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:20,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698251858] [2021-11-23 12:52:20,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698251858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:20,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:20,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:52:20,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445067837] [2021-11-23 12:52:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:20,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:52:20,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:20,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:52:20,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:52:20,292 INFO L87 Difference]: Start difference. First operand has 104 states, 100 states have (on average 1.38) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:20,342 INFO L93 Difference]: Finished difference Result 198 states and 265 transitions. [2021-11-23 12:52:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:52:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 12:52:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:20,357 INFO L225 Difference]: With dead ends: 198 [2021-11-23 12:52:20,358 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 12:52:20,367 INFO L932 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 [2021-11-23 12:52:20,375 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:20,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:52:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 12:52:20,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-23 12:52:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 93 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2021-11-23 12:52:20,458 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 17 [2021-11-23 12:52:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:20,459 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2021-11-23 12:52:20,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2021-11-23 12:52:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 12:52:20,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:20,462 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:20,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:52:20,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:52:20,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:20,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1308253880, now seen corresponding path program 1 times [2021-11-23 12:52:20,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:20,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065914956] [2021-11-23 12:52:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:20,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:20,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:20,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065914956] [2021-11-23 12:52:20,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065914956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:20,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:20,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:52:20,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932769108] [2021-11-23 12:52:20,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:20,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:52:20,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:20,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:52:20,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:20,610 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:20,642 INFO L93 Difference]: Finished difference Result 94 states and 120 transitions. [2021-11-23 12:52:20,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:52:20,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 12:52:20,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:20,644 INFO L225 Difference]: With dead ends: 94 [2021-11-23 12:52:20,644 INFO L226 Difference]: Without dead ends: 47 [2021-11-23 12:52:20,645 INFO L932 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 [2021-11-23 12:52:20,647 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 52 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:20,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:52:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-23 12:52:20,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-23 12:52:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2021-11-23 12:52:20,659 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 18 [2021-11-23 12:52:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:20,659 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2021-11-23 12:52:20,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2021-11-23 12:52:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 12:52:20,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:20,661 INFO L514 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] [2021-11-23 12:52:20,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:52:20,662 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:52:20,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1086243152, now seen corresponding path program 1 times [2021-11-23 12:52:20,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:20,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253712856] [2021-11-23 12:52:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:20,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:20,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:20,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253712856] [2021-11-23 12:52:20,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253712856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:20,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:20,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:52:20,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960477759] [2021-11-23 12:52:20,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:20,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:52:20,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:20,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:52:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:20,792 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:20,846 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-11-23 12:52:20,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:52:20,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-23 12:52:20,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:20,848 INFO L225 Difference]: With dead ends: 125 [2021-11-23 12:52:20,848 INFO L226 Difference]: Without dead ends: 85 [2021-11-23 12:52:20,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:20,851 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 38 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:20,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 107 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:52:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-23 12:52:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2021-11-23 12:52:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 105 transitions. [2021-11-23 12:52:20,870 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 105 transitions. Word has length 25 [2021-11-23 12:52:20,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:20,870 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 105 transitions. [2021-11-23 12:52:20,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2021-11-23 12:52:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 12:52:20,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:20,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:20,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 12:52:20,873 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:52:20,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash -195415342, now seen corresponding path program 1 times [2021-11-23 12:52:20,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:20,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815465802] [2021-11-23 12:52:20,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:20,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:21,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:21,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815465802] [2021-11-23 12:52:21,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815465802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:21,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:21,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:21,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306411990] [2021-11-23 12:52:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:21,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 12:52:21,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:52:21,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:21,052 INFO L87 Difference]: Start difference. First operand 80 states and 105 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:21,289 INFO L93 Difference]: Finished difference Result 397 states and 535 transitions. [2021-11-23 12:52:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 12:52:21,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-23 12:52:21,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:21,309 INFO L225 Difference]: With dead ends: 397 [2021-11-23 12:52:21,310 INFO L226 Difference]: Without dead ends: 324 [2021-11-23 12:52:21,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-23 12:52:21,313 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 187 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:21,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 367 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:21,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-23 12:52:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 147. [2021-11-23 12:52:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.3150684931506849) internal successors, (192), 146 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 192 transitions. [2021-11-23 12:52:21,387 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 192 transitions. Word has length 28 [2021-11-23 12:52:21,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:21,388 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 192 transitions. [2021-11-23 12:52:21,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 192 transitions. [2021-11-23 12:52:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 12:52:21,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:21,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:21,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 12:52:21,396 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:52:21,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash -722654887, now seen corresponding path program 1 times [2021-11-23 12:52:21,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:21,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298448125] [2021-11-23 12:52:21,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:21,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:21,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:21,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298448125] [2021-11-23 12:52:21,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298448125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:21,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:21,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:21,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277240526] [2021-11-23 12:52:21,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:21,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 12:52:21,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:21,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:52:21,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:21,502 INFO L87 Difference]: Start difference. First operand 147 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:21,615 INFO L93 Difference]: Finished difference Result 433 states and 580 transitions. [2021-11-23 12:52:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:52:21,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 12:52:21,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:21,617 INFO L225 Difference]: With dead ends: 433 [2021-11-23 12:52:21,618 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 12:52:21,624 INFO L932 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 [2021-11-23 12:52:21,632 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 122 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:21,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 179 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:21,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 12:52:21,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 12:52:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 12:52:21,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-11-23 12:52:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:21,635 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:52:21,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 12:52:21,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 12:52:21,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 12:52:21,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 12:52:21,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 12:52:21,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 12:52:21,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 12:52:22,663 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,663 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 12:52:22,664 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-11-23 12:52:22,664 INFO L858 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-11-23 12:52:22,664 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-23 12:52:22,664 INFO L854 garLoopResultBuilder]: At program point L86-2(lines 82 93) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,665 INFO L854 garLoopResultBuilder]: At program point L780(lines 773 783) the Hoare annotation is: false [2021-11-23 12:52:22,665 INFO L854 garLoopResultBuilder]: At program point L780-1(lines 773 783) the Hoare annotation is: false [2021-11-23 12:52:22,665 INFO L854 garLoopResultBuilder]: At program point L780-2(lines 773 783) the Hoare annotation is: false [2021-11-23 12:52:22,665 INFO L854 garLoopResultBuilder]: At program point L863-2(lines 863 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,665 INFO L854 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2021-11-23 12:52:22,666 INFO L858 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2021-11-23 12:52:22,666 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2021-11-23 12:52:22,666 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2021-11-23 12:52:22,666 INFO L858 garLoopResultBuilder]: For program point L287-2(lines 287 294) no Hoare annotation was computed. [2021-11-23 12:52:22,666 INFO L854 garLoopResultBuilder]: At program point L849(lines 844 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,667 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2021-11-23 12:52:22,667 INFO L858 garLoopResultBuilder]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2021-11-23 12:52:22,667 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 191) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 12:52:22,667 INFO L858 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-11-23 12:52:22,667 INFO L858 garLoopResultBuilder]: For program point L883-2(lines 883 889) no Hoare annotation was computed. [2021-11-23 12:52:22,667 INFO L858 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,668 INFO L858 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,668 INFO L858 garLoopResultBuilder]: For program point L305-2(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,668 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-11-23 12:52:22,668 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 70 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,668 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 12:52:22,669 INFO L854 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: false [2021-11-23 12:52:22,669 INFO L854 garLoopResultBuilder]: At program point L306-1(lines 301 308) the Hoare annotation is: false [2021-11-23 12:52:22,669 INFO L854 garLoopResultBuilder]: At program point L306-2(lines 301 308) the Hoare annotation is: false [2021-11-23 12:52:22,669 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2021-11-23 12:52:22,669 INFO L854 garLoopResultBuilder]: At program point L719-1(lines 715 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,670 INFO L858 garLoopResultBuilder]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2021-11-23 12:52:22,670 INFO L854 garLoopResultBuilder]: At program point L719-3(lines 715 739) the Hoare annotation is: false [2021-11-23 12:52:22,670 INFO L858 garLoopResultBuilder]: For program point L719-4(lines 719 736) no Hoare annotation was computed. [2021-11-23 12:52:22,670 INFO L854 garLoopResultBuilder]: At program point L719-5(lines 715 739) the Hoare annotation is: false [2021-11-23 12:52:22,670 INFO L858 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-11-23 12:52:22,671 INFO L858 garLoopResultBuilder]: For program point L901-2(lines 893 908) no Hoare annotation was computed. [2021-11-23 12:52:22,671 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,671 INFO L861 garLoopResultBuilder]: At program point L918(lines 853 920) the Hoare annotation is: true [2021-11-23 12:52:22,671 INFO L861 garLoopResultBuilder]: At program point L274(lines 267 276) the Hoare annotation is: true [2021-11-23 12:52:22,671 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-11-23 12:52:22,672 INFO L858 garLoopResultBuilder]: For program point L687-2(lines 686 705) no Hoare annotation was computed. [2021-11-23 12:52:22,672 INFO L858 garLoopResultBuilder]: For program point L687-3(lines 687 693) no Hoare annotation was computed. [2021-11-23 12:52:22,672 INFO L858 garLoopResultBuilder]: For program point L687-5(lines 686 705) no Hoare annotation was computed. [2021-11-23 12:52:22,672 INFO L858 garLoopResultBuilder]: For program point L687-6(lines 687 693) no Hoare annotation was computed. [2021-11-23 12:52:22,672 INFO L858 garLoopResultBuilder]: For program point L687-8(lines 686 705) no Hoare annotation was computed. [2021-11-23 12:52:22,673 INFO L854 garLoopResultBuilder]: At program point L770(lines 765 772) the Hoare annotation is: false [2021-11-23 12:52:22,673 INFO L854 garLoopResultBuilder]: At program point L770-1(lines 765 772) the Hoare annotation is: false [2021-11-23 12:52:22,673 INFO L854 garLoopResultBuilder]: At program point L704(lines 683 706) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,673 INFO L854 garLoopResultBuilder]: At program point L770-2(lines 765 772) the Hoare annotation is: false [2021-11-23 12:52:22,674 INFO L854 garLoopResultBuilder]: At program point L704-1(lines 683 706) the Hoare annotation is: false [2021-11-23 12:52:22,674 INFO L854 garLoopResultBuilder]: At program point L770-3(lines 765 772) the Hoare annotation is: false [2021-11-23 12:52:22,674 INFO L854 garLoopResultBuilder]: At program point L704-2(lines 683 706) the Hoare annotation is: false [2021-11-23 12:52:22,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 12:52:22,674 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-23 12:52:22,675 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: false [2021-11-23 12:52:22,675 INFO L858 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-11-23 12:52:22,675 INFO L854 garLoopResultBuilder]: At program point L62-5(lines 58 69) the Hoare annotation is: false [2021-11-23 12:52:22,675 INFO L858 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-11-23 12:52:22,675 INFO L854 garLoopResultBuilder]: At program point L62-8(lines 58 69) the Hoare annotation is: false [2021-11-23 12:52:22,676 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,676 INFO L854 garLoopResultBuilder]: At program point L789-1(lines 784 792) the Hoare annotation is: false [2021-11-23 12:52:22,676 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2021-11-23 12:52:22,676 INFO L854 garLoopResultBuilder]: At program point L789-2(lines 784 792) the Hoare annotation is: false [2021-11-23 12:52:22,676 INFO L858 garLoopResultBuilder]: For program point L723-3(lines 723 731) no Hoare annotation was computed. [2021-11-23 12:52:22,677 INFO L858 garLoopResultBuilder]: For program point L723-6(lines 723 731) no Hoare annotation was computed. [2021-11-23 12:52:22,677 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2021-11-23 12:52:22,677 INFO L854 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,677 INFO L858 garLoopResultBuilder]: For program point L146-2(lines 146 159) no Hoare annotation was computed. [2021-11-23 12:52:22,677 INFO L854 garLoopResultBuilder]: At program point L146-3(lines 138 162) the Hoare annotation is: false [2021-11-23 12:52:22,678 INFO L858 garLoopResultBuilder]: For program point L146-4(lines 146 159) no Hoare annotation was computed. [2021-11-23 12:52:22,678 INFO L854 garLoopResultBuilder]: At program point L146-5(lines 138 162) the Hoare annotation is: false [2021-11-23 12:52:22,678 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-11-23 12:52:22,678 INFO L858 garLoopResultBuilder]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2021-11-23 12:52:22,678 INFO L861 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2021-11-23 12:52:22,679 INFO L854 garLoopResultBuilder]: At program point L841(lines 829 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,679 INFO L861 garLoopResultBuilder]: At program point L296(lines 277 299) the Hoare annotation is: true [2021-11-23 12:52:22,679 INFO L854 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 12:52:22,679 INFO L854 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 12:52:22,679 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 12:52:22,680 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 12:52:22,680 INFO L854 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-11-23 12:52:22,680 INFO L854 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-11-23 12:52:22,680 INFO L854 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,681 INFO L854 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-11-23 12:52:22,681 INFO L854 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-11-23 12:52:22,681 INFO L854 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-11-23 12:52:22,681 INFO L854 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-11-23 12:52:22,681 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-23 12:52:22,682 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 12:52:22,682 INFO L858 garLoopResultBuilder]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2021-11-23 12:52:22,682 INFO L858 garLoopResultBuilder]: For program point L694-3(lines 694 700) no Hoare annotation was computed. [2021-11-23 12:52:22,682 INFO L858 garLoopResultBuilder]: For program point L694-5(lines 694 700) no Hoare annotation was computed. [2021-11-23 12:52:22,682 INFO L854 garLoopResultBuilder]: At program point L711(lines 707 713) the Hoare annotation is: false [2021-11-23 12:52:22,683 INFO L854 garLoopResultBuilder]: At program point L711-1(lines 707 713) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 12:52:22,683 INFO L854 garLoopResultBuilder]: At program point L711-2(lines 707 713) the Hoare annotation is: false [2021-11-23 12:52:22,683 INFO L854 garLoopResultBuilder]: At program point L711-3(lines 707 713) the Hoare annotation is: false [2021-11-23 12:52:22,683 INFO L854 garLoopResultBuilder]: At program point L711-4(lines 707 713) the Hoare annotation is: false [2021-11-23 12:52:22,683 INFO L854 garLoopResultBuilder]: At program point L711-5(lines 707 713) the Hoare annotation is: false [2021-11-23 12:52:22,684 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2021-11-23 12:52:22,684 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2021-11-23 12:52:22,684 INFO L858 garLoopResultBuilder]: For program point L150-3(lines 150 156) no Hoare annotation was computed. [2021-11-23 12:52:22,684 INFO L858 garLoopResultBuilder]: For program point L150-6(lines 150 156) no Hoare annotation was computed. [2021-11-23 12:52:22,688 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 12:52:22,690 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 12:52:22,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:52:22 BoogieIcfgContainer [2021-11-23 12:52:22,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 12:52:22,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:52:22,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:52:22,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:52:22,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:19" (3/4) ... [2021-11-23 12:52:22,718 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 12:52:22,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-23 12:52:22,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 12:52:22,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 12:52:22,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 12:52:22,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 12:52:22,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 12:52:22,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 12:52:22,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 [2021-11-23 12:52:22,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:52:22,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:52:22,859 INFO L158 Benchmark]: Toolchain (without parser) took 4959.73ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 52.4MB in the beginning and 43.4MB in the end (delta: 9.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,860 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:52:22,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.67ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 61.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.32ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,862 INFO L158 Benchmark]: Boogie Preprocessor took 76.39ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:52:22,863 INFO L158 Benchmark]: RCFGBuilder took 864.98ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 39.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,864 INFO L158 Benchmark]: TraceAbstraction took 3005.13ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 38.7MB in the beginning and 50.8MB in the end (delta: -12.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,865 INFO L158 Benchmark]: Witness Printer took 143.14ms. Allocated memory is still 115.3MB. Free memory was 50.8MB in the beginning and 43.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:52:22,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.67ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 61.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.32ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.39ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 864.98ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 39.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3005.13ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 38.7MB in the beginning and 50.8MB in the end (delta: -12.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 143.14ms. Allocated memory is still 115.3MB. Free memory was 50.8MB in the beginning and 43.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 846 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 412 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 182 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 52 PreInvPairs, 154 NumberOfFragments, 160 HoareAnnotationTreeSize, 52 FomulaSimplifications, 312 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 2405 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 257 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 12:52:22,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a18cd4-2654-4b1f-be31-aa33218eb384/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE