./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y --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 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:00:40,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:00:40,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:00:40,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:00:40,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:00:40,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:00:40,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:00:40,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:00:40,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:00:40,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:00:40,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:00:40,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:00:40,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:00:40,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:00:40,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:00:40,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:00:40,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:00:40,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:00:40,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:00:40,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:00:40,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:00:40,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:00:40,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:00:40,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:00:40,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:00:40,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:00:40,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:00:40,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:00:40,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:00:40,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:00:40,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:00:40,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:00:40,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:00:40,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:00:40,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:00:40,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:00:40,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:00:40,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:00:40,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:00:40,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:00:40,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:00:40,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:00:40,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:00:40,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:00:40,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:00:40,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:00:40,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:00:40,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:00:40,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:00:40,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:00:40,242 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:00:40,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:00:40,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:00:40,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:00:40,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:00:40,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:00:40,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:00:40,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:00:40,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:00:40,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:00:40,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:00:40,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:00:40,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:00:40,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:00:40,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:00:40,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:00:40,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:00:40,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:00:40,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:00:40,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:00:40,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:00:40,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:00:40,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:00:40,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:00:40,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:00:40,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:00:40,250 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_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 [2021-11-13 18:00:40,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:00:40,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:00:40,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:00:40,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:00:40,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:00:40,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-11-13 18:00:40,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/data/0108d00a8/09291a3f61ea4ee5902aa7d1437c748a/FLAGc0bb8e8fc [2021-11-13 18:00:41,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:00:41,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-11-13 18:00:41,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/data/0108d00a8/09291a3f61ea4ee5902aa7d1437c748a/FLAGc0bb8e8fc [2021-11-13 18:00:41,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/data/0108d00a8/09291a3f61ea4ee5902aa7d1437c748a [2021-11-13 18:00:41,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:00:41,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:00:41,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:00:41,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:00:41,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:00:41,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:00:41" (1/1) ... [2021-11-13 18:00:41,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b9304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:41, skipping insertion in model container [2021-11-13 18:00:41,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:00:41" (1/1) ... [2021-11-13 18:00:41,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:00:41,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:00:42,050 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_51df1072-b3ce-4902-9b95-c6352df07b73/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2021-11-13 18:00:42,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:00:42,312 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:00:42,332 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_51df1072-b3ce-4902-9b95-c6352df07b73/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2021-11-13 18:00:42,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:00:42,420 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:00:42,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42 WrapperNode [2021-11-13 18:00:42,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:00:42,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:00:42,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:00:42,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:00:42,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:00:42,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:00:42,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:00:42,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:00:42,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:00:42,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:00:42,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:00:42,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:00:42,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (1/1) ... [2021-11-13 18:00:42,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:00:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:00:42,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:00:42,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:00:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:00:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-13 18:00:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-13 18:00:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-13 18:00:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-13 18:00:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-13 18:00:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-13 18:00:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-13 18:00:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-13 18:00:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:00:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-13 18:00:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-13 18:00:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:00:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:00:43,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:00:43,692 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:00:43,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:00:43 BoogieIcfgContainer [2021-11-13 18:00:43,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:00:43,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:00:43,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:00:43,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:00:43,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:00:41" (1/3) ... [2021-11-13 18:00:43,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac736ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:00:43, skipping insertion in model container [2021-11-13 18:00:43,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:00:42" (2/3) ... [2021-11-13 18:00:43,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac736ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:00:43, skipping insertion in model container [2021-11-13 18:00:43,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:00:43" (3/3) ... [2021-11-13 18:00:43,705 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2021-11-13 18:00:43,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:00:43,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:00:43,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:00:43,797 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 [2021-11-13 18:00:43,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:00:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-13 18:00:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 18:00:43,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:43,857 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] [2021-11-13 18:00:43,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:43,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:43,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1391531782, now seen corresponding path program 1 times [2021-11-13 18:00:43,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:43,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788037079] [2021-11-13 18:00:43,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:43,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:00:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:00:44,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:44,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788037079] [2021-11-13 18:00:44,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788037079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:44,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:44,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:00:44,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023977898] [2021-11-13 18:00:44,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:44,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:00:44,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:44,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:00:44,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:00:44,336 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:44,369 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2021-11-13 18:00:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:00:44,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-13 18:00:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:44,380 INFO L225 Difference]: With dead ends: 121 [2021-11-13 18:00:44,380 INFO L226 Difference]: Without dead ends: 56 [2021-11-13 18:00:44,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:00:44,389 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:44,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 1.75ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:00:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-13 18:00:44,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-13 18:00:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 18:00:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2021-11-13 18:00:44,441 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 25 [2021-11-13 18:00:44,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:44,441 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2021-11-13 18:00:44,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-11-13 18:00:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 18:00:44,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:44,445 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] [2021-11-13 18:00:44,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:00:44,446 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:44,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:44,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1847292280, now seen corresponding path program 1 times [2021-11-13 18:00:44,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:44,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677863586] [2021-11-13 18:00:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:44,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 18:00:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:00:44,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:44,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677863586] [2021-11-13 18:00:44,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677863586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:44,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:44,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:00:44,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461737383] [2021-11-13 18:00:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:44,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:00:44,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:44,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:00:44,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:00:44,661 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:44,680 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2021-11-13 18:00:44,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:00:44,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-13 18:00:44,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:44,683 INFO L225 Difference]: With dead ends: 76 [2021-11-13 18:00:44,684 INFO L226 Difference]: Without dead ends: 47 [2021-11-13 18:00:44,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:00:44,687 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.11ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:44,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 3.99ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.11ms Time] [2021-11-13 18:00:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-13 18:00:44,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-13 18:00:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-13 18:00:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2021-11-13 18:00:44,698 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 26 [2021-11-13 18:00:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:44,698 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2021-11-13 18:00:44,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2021-11-13 18:00:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 18:00:44,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:44,701 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, 1] [2021-11-13 18:00:44,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:00:44,701 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:44,702 INFO L85 PathProgramCache]: Analyzing trace with hash 42643216, now seen corresponding path program 1 times [2021-11-13 18:00:44,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:44,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602245000] [2021-11-13 18:00:44,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:44,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:00:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:00:44,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:44,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602245000] [2021-11-13 18:00:44,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602245000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:44,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:44,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:00:44,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46064125] [2021-11-13 18:00:44,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:44,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:00:44,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:44,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:00:44,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:00:44,854 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:44,903 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2021-11-13 18:00:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:00:44,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-11-13 18:00:44,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:44,907 INFO L225 Difference]: With dead ends: 86 [2021-11-13 18:00:44,908 INFO L226 Difference]: Without dead ends: 47 [2021-11-13 18:00:44,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:00:44,915 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.33ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.34ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:44,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 56 Invalid, 2 Unknown, 0 Unchecked, 1.33ms Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 32.34ms Time] [2021-11-13 18:00:44,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-13 18:00:44,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-13 18:00:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-13 18:00:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2021-11-13 18:00:44,936 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 31 [2021-11-13 18:00:44,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:44,937 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-11-13 18:00:44,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-13 18:00:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 18:00:44,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:44,939 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, 1, 1] [2021-11-13 18:00:44,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:00:44,940 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash -782432329, now seen corresponding path program 1 times [2021-11-13 18:00:44,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:44,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711017209] [2021-11-13 18:00:44,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:44,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 18:00:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:00:45,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:45,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711017209] [2021-11-13 18:00:45,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711017209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:45,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:45,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:00:45,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371336968] [2021-11-13 18:00:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:45,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:00:45,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:45,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:00:45,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:00:45,178 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:45,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:45,387 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2021-11-13 18:00:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:00:45,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-11-13 18:00:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:45,395 INFO L225 Difference]: With dead ends: 123 [2021-11-13 18:00:45,395 INFO L226 Difference]: Without dead ends: 84 [2021-11-13 18:00:45,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:00:45,398 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 28 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.69ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.85ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:45,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 261 Invalid, 36 Unknown, 0 Unchecked, 4.69ms Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 145.85ms Time] [2021-11-13 18:00:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-13 18:00:45,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2021-11-13 18:00:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-13 18:00:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2021-11-13 18:00:45,451 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 32 [2021-11-13 18:00:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:45,451 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2021-11-13 18:00:45,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:00:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2021-11-13 18:00:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 18:00:45,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:45,454 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, 1, 1, 1, 1, 1, 1] [2021-11-13 18:00:45,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:00:45,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:45,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1527102675, now seen corresponding path program 1 times [2021-11-13 18:00:45,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:45,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222763673] [2021-11-13 18:00:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:45,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:00:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 18:00:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:00:45,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:45,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222763673] [2021-11-13 18:00:45,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222763673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:45,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:45,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:00:45,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378417213] [2021-11-13 18:00:45,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:45,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:00:45,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:45,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:00:45,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:00:45,683 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:00:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:45,955 INFO L93 Difference]: Finished difference Result 150 states and 186 transitions. [2021-11-13 18:00:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:00:45,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-11-13 18:00:45,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:45,957 INFO L225 Difference]: With dead ends: 150 [2021-11-13 18:00:45,957 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:00:45,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:00:45,972 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.19ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 172.88ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:45,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 129 Invalid, 55 Unknown, 0 Unchecked, 5.19ms Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 172.88ms Time] [2021-11-13 18:00:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:00:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:00:45,982 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) [2021-11-13 18:00:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:00:45,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-13 18:00:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:45,983 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:00:45,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:00:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:00:45,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:00:45,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:00:45,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:00:45,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:00:46,401 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 91 102) no Hoare annotation was computed. [2021-11-13 18:00:46,401 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 91 102) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-13 18:00:46,402 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 91 102) no Hoare annotation was computed. [2021-11-13 18:00:46,402 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 797 826) no Hoare annotation was computed. [2021-11-13 18:00:46,402 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 797 826) the Hoare annotation is: true [2021-11-13 18:00:46,402 INFO L861 garLoopResultBuilder]: At program point L822(lines 797 826) the Hoare annotation is: true [2021-11-13 18:00:46,402 INFO L858 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2021-11-13 18:00:46,403 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2021-11-13 18:00:46,403 INFO L861 garLoopResultBuilder]: At program point L811-1(lines 811 815) the Hoare annotation is: true [2021-11-13 18:00:46,403 INFO L858 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2021-11-13 18:00:46,403 INFO L861 garLoopResultBuilder]: At program point L807-2(lines 807 821) the Hoare annotation is: true [2021-11-13 18:00:46,404 INFO L861 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2021-11-13 18:00:46,404 INFO L858 garLoopResultBuilder]: For program point L803-1(line 803) no Hoare annotation was computed. [2021-11-13 18:00:46,404 INFO L858 garLoopResultBuilder]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2021-11-13 18:00:46,404 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-13 18:00:46,404 INFO L861 garLoopResultBuilder]: At program point L655(lines 651 657) the Hoare annotation is: true [2021-11-13 18:00:46,404 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 785) no Hoare annotation was computed. [2021-11-13 18:00:46,405 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-11-13 18:00:46,405 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2021-11-13 18:00:46,405 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 67 78) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:00:46,405 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:00:46,406 INFO L858 garLoopResultBuilder]: For program point L631-1(lines 630 649) no Hoare annotation was computed. [2021-11-13 18:00:46,406 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: true [2021-11-13 18:00:46,406 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2021-11-13 18:00:46,406 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 788) no Hoare annotation was computed. [2021-11-13 18:00:46,406 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-13 18:00:46,407 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 791) no Hoare annotation was computed. [2021-11-13 18:00:46,407 INFO L854 garLoopResultBuilder]: At program point L774-1(lines 766 794) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) [2021-11-13 18:00:46,407 INFO L861 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: true [2021-11-13 18:00:46,407 INFO L854 garLoopResultBuilder]: At program point L708(lines 703 711) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (= |timeShift_isPumpRunning_#res#1| 0)))) [2021-11-13 18:00:46,407 INFO L858 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2021-11-13 18:00:46,407 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 103 111) the Hoare annotation is: true [2021-11-13 18:00:46,407 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 103 111) no Hoare annotation was computed. [2021-11-13 18:00:46,408 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 103 111) no Hoare annotation was computed. [2021-11-13 18:00:46,408 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2021-11-13 18:00:46,408 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2021-11-13 18:00:46,408 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2021-11-13 18:00:46,408 INFO L854 garLoopResultBuilder]: At program point L610(lines 561 611) the Hoare annotation is: false [2021-11-13 18:00:46,408 INFO L861 garLoopResultBuilder]: At program point L866(lines 858 868) the Hoare annotation is: true [2021-11-13 18:00:46,409 INFO L854 garLoopResultBuilder]: At program point L544(lines 539 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:00:46,409 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:00:46,409 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:00:46,409 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:00:46,409 INFO L854 garLoopResultBuilder]: At program point L763(lines 758 765) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:00:46,409 INFO L854 garLoopResultBuilder]: At program point L536(lines 532 538) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:00:46,409 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 886) no Hoare annotation was computed. [2021-11-13 18:00:46,411 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 886) no Hoare annotation was computed. [2021-11-13 18:00:46,411 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 588) no Hoare annotation was computed. [2021-11-13 18:00:46,411 INFO L858 garLoopResultBuilder]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2021-11-13 18:00:46,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:00:46,412 INFO L854 garLoopResultBuilder]: At program point L607(lines 562 609) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:00:46,412 INFO L854 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:00:46,413 INFO L861 garLoopResultBuilder]: At program point L888(lines 869 891) the Hoare annotation is: true [2021-11-13 18:00:46,413 INFO L854 garLoopResultBuilder]: At program point L855(lines 851 857) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:00:46,413 INFO L854 garLoopResultBuilder]: At program point L529(lines 525 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:00:46,414 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-11-13 18:00:46,414 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 592 605) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:00:46,414 INFO L858 garLoopResultBuilder]: For program point L563(lines 562 609) no Hoare annotation was computed. [2021-11-13 18:00:46,415 INFO L854 garLoopResultBuilder]: At program point L753(lines 748 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:00:46,415 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 605) no Hoare annotation was computed. [2021-11-13 18:00:46,415 INFO L854 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:00:46,415 INFO L861 garLoopResultBuilder]: At program point L613(lines 552 617) the Hoare annotation is: true [2021-11-13 18:00:46,416 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 79 90) no Hoare annotation was computed. [2021-11-13 18:00:46,416 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 79 90) the Hoare annotation is: true [2021-11-13 18:00:46,416 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 79 90) no Hoare annotation was computed. [2021-11-13 18:00:46,421 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:00:46,423 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:00:46,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:00:46 BoogieIcfgContainer [2021-11-13 18:00:46,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:00:46,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:00:46,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:00:46,482 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:00:46,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:00:43" (3/4) ... [2021-11-13 18:00:46,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:00:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-13 18:00:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-13 18:00:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-13 18:00:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-13 18:00:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-13 18:00:46,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-11-13 18:00:46,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-13 18:00:46,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 18:00:46,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:00:46,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:00:46,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:00:46,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:00:46,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0) [2021-11-13 18:00:46,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:00:46,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:00:46,590 INFO L158 Benchmark]: Toolchain (without parser) took 4933.82ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 63.5MB in the beginning and 80.7MB in the end (delta: -17.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,590 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:00:46,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.69ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 66.9MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.63ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,592 INFO L158 Benchmark]: Boogie Preprocessor took 72.98ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,592 INFO L158 Benchmark]: RCFGBuilder took 1084.17ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 64.1MB in the end (delta: -1.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,593 INFO L158 Benchmark]: TraceAbstraction took 2775.78ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 63.6MB in the beginning and 85.9MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,593 INFO L158 Benchmark]: Witness Printer took 115.84ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 80.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:00:46,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.69ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 66.9MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.63ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.98ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1084.17ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 64.1MB in the end (delta: -1.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2775.78ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 63.6MB in the beginning and 85.9MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 115.84ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 80.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 54]: 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 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 354.17ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 622 SdHoareTripleChecker+Invalid, 286.90ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 294 mSDtfsCounter, 81 mSolverCounterSat, 16.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 123 PreInvPairs, 145 NumberOfFragments, 186 HoareAnnotationTreeSize, 123 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 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 1 specifications checked. All of them hold - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-11-13 18:00:46,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1072-b3ce-4902-9b95-c6352df07b73/bin/uautomizer-YU5uOKAj3y/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