./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt --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 2b192e470c41b75933f65965ba2800987829e5a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:20:47,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:20:47,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:20:47,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:20:47,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:20:47,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:20:47,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:20:47,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:20:47,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:20:47,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:20:47,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:20:47,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:20:47,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:20:47,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:20:47,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:20:47,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:20:47,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:20:47,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:20:47,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:20:47,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:20:47,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:20:47,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:20:47,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:20:47,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:20:47,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:20:47,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:20:47,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:20:47,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:20:47,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:20:47,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:20:47,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:20:47,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:20:47,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:20:47,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:20:47,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:20:47,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:20:47,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:20:47,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:20:47,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:20:47,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:20:47,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:20:47,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:20:47,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:20:47,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:20:47,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:20:47,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:20:47,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:20:47,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:20:47,634 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:20:47,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:20:47,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:20:47,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:20:47,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:20:47,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:20:47,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:20:47,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:20:47,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:20:47,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:20:47,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:20:47,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:20:47,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:20:47,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:20:47,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:20:47,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:20:47,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:20:47,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:20:47,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:20:47,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:20:47,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:20:47,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:20:47,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:20:47,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:20:47,641 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_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2021-10-13 00:20:47,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:20:47,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:20:47,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:20:47,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:20:47,952 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:20:47,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-13 00:20:48,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/data/4aed19704/cbc73a414d074f4381e4a9769b1b8152/FLAGc23180c1f [2021-10-13 00:20:48,554 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:20:48,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-13 00:20:48,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/data/4aed19704/cbc73a414d074f4381e4a9769b1b8152/FLAGc23180c1f [2021-10-13 00:20:48,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/data/4aed19704/cbc73a414d074f4381e4a9769b1b8152 [2021-10-13 00:20:48,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:20:48,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:20:48,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:20:48,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:20:48,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:20:48,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f71a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48, skipping insertion in model container [2021-10-13 00:20:48,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:20:48,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:20:49,169 WARN L228 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_62f36ec3-c872-475d-a01a-e423704bb321/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-13 00:20:49,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:20:49,221 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:20:49,287 WARN L228 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_62f36ec3-c872-475d-a01a-e423704bb321/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-13 00:20:49,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:20:49,342 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:20:49,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49 WrapperNode [2021-10-13 00:20:49,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:20:49,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:20:49,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:20:49,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:20:49,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:20:49,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:20:49,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:20:49,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:20:49,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:20:49,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:20:49,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:20:49,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:20:49,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (1/1) ... [2021-10-13 00:20:49,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:20:49,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:20:49,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:20:49,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:20:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:20:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:20:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:20:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:20:50,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:20:50,421 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-13 00:20:50,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:50 BoogieIcfgContainer [2021-10-13 00:20:50,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:20:50,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:20:50,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:20:50,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:20:50,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:20:48" (1/3) ... [2021-10-13 00:20:50,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd78b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:20:50, skipping insertion in model container [2021-10-13 00:20:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:49" (2/3) ... [2021-10-13 00:20:50,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd78b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:20:50, skipping insertion in model container [2021-10-13 00:20:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:50" (3/3) ... [2021-10-13 00:20:50,438 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-13 00:20:50,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:20:50,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:20:50,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:20:50,515 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:20:50,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:20:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) [2021-10-13 00:20:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:20:50,538 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,539 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:50,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-13 00:20:50,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780387666] [2021-10-13 00:20:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:50,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:50,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780387666] [2021-10-13 00:20:50,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780387666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:50,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:50,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:20:50,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013336549] [2021-10-13 00:20:50,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:20:50,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:20:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:20:50,882 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 00:20:50,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:50,903 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-13 00:20:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:20:50,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-13 00:20:50,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:50,913 INFO L225 Difference]: With dead ends: 108 [2021-10-13 00:20:50,913 INFO L226 Difference]: Without dead ends: 53 [2021-10-13 00:20:50,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:20:50,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-13 00:20:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-13 00:20:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 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) [2021-10-13 00:20:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-13 00:20:50,955 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-13 00:20:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:50,956 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-13 00:20:50,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 00:20:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-13 00:20:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:20:50,957 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,958 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:50,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:20:50,958 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-13 00:20:50,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231339500] [2021-10-13 00:20:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231339500] [2021-10-13 00:20:51,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231339500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:20:51,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823479178] [2021-10-13 00:20:51,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:20:51,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:20:51,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:51,066 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-10-13 00:20:51,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,075 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-13 00:20:51,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:20:51,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 [2021-10-13 00:20:51,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,077 INFO L225 Difference]: With dead ends: 53 [2021-10-13 00:20:51,077 INFO L226 Difference]: Without dead ends: 27 [2021-10-13 00:20:51,078 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-13 00:20:51,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-13 00:20:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-10-13 00:20:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-13 00:20:51,083 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-13 00:20:51,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,084 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-13 00:20:51,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-10-13 00:20:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-13 00:20:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:20:51,085 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,085 INFO L512 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] [2021-10-13 00:20:51,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:20:51,086 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-13 00:20:51,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988544834] [2021-10-13 00:20:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988544834] [2021-10-13 00:20:51,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988544834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:20:51,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681695456] [2021-10-13 00:20:51,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:20:51,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:20:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:20:51,210 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-10-13 00:20:51,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,520 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-13 00:20:51,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:20:51,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2021-10-13 00:20:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,524 INFO L225 Difference]: With dead ends: 142 [2021-10-13 00:20:51,524 INFO L226 Difference]: Without dead ends: 121 [2021-10-13 00:20:51,525 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 83.6ms TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:20:51,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-13 00:20:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-13 00:20:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 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) [2021-10-13 00:20:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-13 00:20:51,571 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 22 [2021-10-13 00:20:51,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,572 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-13 00:20:51,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-10-13 00:20:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-13 00:20:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 00:20:51,573 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,573 INFO L512 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] [2021-10-13 00:20:51,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:20:51,574 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-13 00:20:51,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771989639] [2021-10-13 00:20:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771989639] [2021-10-13 00:20:51,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771989639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:20:51,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038089476] [2021-10-13 00:20:51,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:20:51,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:20:51,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:51,655 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-10-13 00:20:51,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,666 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-13 00:20:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:20:51,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2021-10-13 00:20:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,668 INFO L225 Difference]: With dead ends: 95 [2021-10-13 00:20:51,668 INFO L226 Difference]: Without dead ends: 57 [2021-10-13 00:20:51,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-13 00:20:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-13 00:20:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 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) [2021-10-13 00:20:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2021-10-13 00:20:51,679 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 23 [2021-10-13 00:20:51,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,680 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2021-10-13 00:20:51,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-10-13 00:20:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2021-10-13 00:20:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:20:51,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,698 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:51,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:20:51,698 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,699 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-13 00:20:51,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115815382] [2021-10-13 00:20:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115815382] [2021-10-13 00:20:51,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115815382] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:20:51,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469495427] [2021-10-13 00:20:51,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:20:51,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:20:51,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:20:51,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:20:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:20:51,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:20:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:52,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469495427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:52,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:20:52,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-13 00:20:52,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985756498] [2021-10-13 00:20:52,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:20:52,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:52,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:20:52,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:52,142 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-13 00:20:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:52,229 INFO L93 Difference]: Finished difference Result 73 states and 99 transitions. [2021-10-13 00:20:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:20:52,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-10-13 00:20:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:52,230 INFO L225 Difference]: With dead ends: 73 [2021-10-13 00:20:52,231 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:20:52,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:20:52,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:20:52,232 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) [2021-10-13 00:20:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:20:52,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-13 00:20:52,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:52,233 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:20:52,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-13 00:20:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:20:52,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:20:52,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:52,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:52,237 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:52,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:20:52,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:20:52,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:20:52,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 766) no Hoare annotation was computed. [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 742) no Hoare annotation was computed. [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2021-10-13 00:20:52,853 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:20:52,854 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-13 00:20:52,854 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 869) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0)) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)))) [2021-10-13 00:20:52,854 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-13 00:20:52,854 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 869) the Hoare annotation is: false [2021-10-13 00:20:52,854 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-13 00:20:52,854 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 869) the Hoare annotation is: false [2021-10-13 00:20:52,855 INFO L853 garLoopResultBuilder]: At program point L747(lines 698 748) the Hoare annotation is: false [2021-10-13 00:20:52,855 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-13 00:20:52,855 INFO L853 garLoopResultBuilder]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2021-10-13 00:20:52,855 INFO L853 garLoopResultBuilder]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2021-10-13 00:20:52,855 INFO L857 garLoopResultBuilder]: For program point L700(lines 699 746) no Hoare annotation was computed. [2021-10-13 00:20:52,855 INFO L853 garLoopResultBuilder]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 705) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 543) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L860 garLoopResultBuilder]: At program point L536-1(lines 536 543) the Hoare annotation is: true [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:20:52,856 INFO L853 garLoopResultBuilder]: At program point L570(lines 570 576) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-13 00:20:52,857 INFO L853 garLoopResultBuilder]: At program point L570-1(lines 570 576) the Hoare annotation is: false [2021-10-13 00:20:52,857 INFO L853 garLoopResultBuilder]: At program point L570-2(lines 570 576) the Hoare annotation is: false [2021-10-13 00:20:52,857 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 725) no Hoare annotation was computed. [2021-10-13 00:20:52,857 INFO L853 garLoopResultBuilder]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-13 00:20:52,857 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,857 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L853 garLoopResultBuilder]: At program point L737-2(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-13 00:20:52,858 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L857 garLoopResultBuilder]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L857 garLoopResultBuilder]: For program point L441-2(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,858 INFO L853 garLoopResultBuilder]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2021-10-13 00:20:52,859 INFO L853 garLoopResultBuilder]: At program point L640(lines 635 643) the Hoare annotation is: false [2021-10-13 00:20:52,859 INFO L853 garLoopResultBuilder]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2021-10-13 00:20:52,859 INFO L853 garLoopResultBuilder]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2021-10-13 00:20:52,859 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-13 00:20:52,859 INFO L853 garLoopResultBuilder]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:20:52,859 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 778) no Hoare annotation was computed. [2021-10-13 00:20:52,859 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 715) no Hoare annotation was computed. [2021-10-13 00:20:52,860 INFO L853 garLoopResultBuilder]: At program point L709-1(lines 709 715) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-13 00:20:52,860 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:20:52,860 INFO L853 garLoopResultBuilder]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:20:52,860 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-13 00:20:52,860 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-13 00:20:52,860 INFO L857 garLoopResultBuilder]: For program point L462-1(lines 563 569) no Hoare annotation was computed. [2021-10-13 00:20:52,861 INFO L860 garLoopResultBuilder]: At program point L545(lines 526 548) the Hoare annotation is: true [2021-10-13 00:20:52,861 INFO L853 garLoopResultBuilder]: At program point L563(lines 562 581) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-13 00:20:52,861 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2021-10-13 00:20:52,861 INFO L853 garLoopResultBuilder]: At program point L563-2(lines 562 581) the Hoare annotation is: false [2021-10-13 00:20:52,862 INFO L853 garLoopResultBuilder]: At program point L563-3(lines 562 581) the Hoare annotation is: false [2021-10-13 00:20:52,867 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:20:52,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:20:52 BoogieIcfgContainer [2021-10-13 00:20:52,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:20:52,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:20:52,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:20:52,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:20:52,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:50" (3/4) ... [2021-10-13 00:20:52,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:20:52,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:20:52,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:20:52,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:20:52,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:20:52,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:20:52,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:20:52,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:20:52,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) [2021-10-13 00:20:52,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && waterLevel == 1) && waterLevel == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-13 00:20:53,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:20:53,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:20:53,028 INFO L168 Benchmark]: Toolchain (without parser) took 4179.44 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 68.6 MB in the beginning and 90.2 MB in the end (delta: -21.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,029 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:20:53,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.80 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 68.4 MB in the beginning and 99.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.68 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,031 INFO L168 Benchmark]: Boogie Preprocessor took 34.51 ms. Allocated memory is still 132.1 MB. Free memory was 96.4 MB in the beginning and 94.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:20:53,032 INFO L168 Benchmark]: RCFGBuilder took 968.43 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 106.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,032 INFO L168 Benchmark]: TraceAbstraction took 2480.56 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,032 INFO L168 Benchmark]: Witness Printer took 121.14 ms. Allocated memory is still 132.1 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:53,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.80 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 68.4 MB in the beginning and 99.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.68 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.51 ms. Allocated memory is still 132.1 MB. Free memory was 96.4 MB in the beginning and 94.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 968.43 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 106.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2480.56 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * Witness Printer took 121.14 ms. Allocated memory is still 132.1 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2359.2ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 31.0ms, AutomataDifference: 489.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 386.3ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 237 SDtfs, 289 SDslu, 230 SDs, 0 SdLazy, 72 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 215.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 100.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 82.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 229 HoareAnnotationTreeSize, 25 FomulaSimplifications, 270 FormulaSimplificationTreeSizeReduction, 59.5ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 315.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 51.9ms SsaConstructionTime, 279.5ms SatisfiabilityAnalysisTime, 562.3ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && waterLevel == 1) && waterLevel == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:20:53,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f36ec3-c872-475d-a01a-e423704bb321/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...