./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD --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 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:58:18,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:58:18,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:58:18,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:58:18,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:58:18,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:58:18,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:58:18,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:58:18,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:58:18,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:58:18,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:58:18,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:58:18,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:58:18,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:58:18,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:58:18,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:58:18,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:58:18,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:58:18,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:58:18,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:58:18,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:58:18,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:58:18,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:58:18,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:58:18,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:58:18,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:58:18,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:58:18,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:58:18,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:58:18,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:58:18,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:58:18,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:58:18,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:58:18,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:58:18,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:58:18,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:58:18,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:58:18,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:58:18,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:58:18,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:58:18,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:58:18,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:58:18,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:58:18,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:58:18,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:58:18,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:58:18,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:58:18,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:58:18,876 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:58:18,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:58:18,877 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:58:18,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:58:18,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:58:18,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:58:18,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:58:18,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:58:18,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:58:18,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:58:18,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:58:18,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:58:18,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:58:18,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:58:18,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:58:18,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:58:18,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:58:18,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:58:18,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:58:18,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:58:18,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:58:18,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:58:18,882 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:58:18,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:58:18,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:58:18,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:58:18,883 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_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2021-10-28 22:58:19,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:58:19,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:58:19,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:58:19,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:58:19,217 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:58:19,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-10-28 22:58:19,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/data/a8c6493a8/4a874cff228343a78640ac4b8492ff19/FLAGa5c786653 [2021-10-28 22:58:19,942 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:58:19,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-10-28 22:58:19,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/data/a8c6493a8/4a874cff228343a78640ac4b8492ff19/FLAGa5c786653 [2021-10-28 22:58:20,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/data/a8c6493a8/4a874cff228343a78640ac4b8492ff19 [2021-10-28 22:58:20,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:58:20,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:58:20,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:20,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:58:20,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:58:20,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d40b8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20, skipping insertion in model container [2021-10-28 22:58:20,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:58:20,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:58:20,542 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_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2021-10-28 22:58:20,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:20,707 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:58:20,724 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_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2021-10-28 22:58:20,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:20,824 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:58:20,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20 WrapperNode [2021-10-28 22:58:20,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:20,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:20,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:58:20,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:58:20,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:20,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:58:20,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:58:20,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:58:20,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:20,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:21,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:21,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:21,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:21,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:58:21,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:58:21,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:58:21,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:58:21,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (1/1) ... [2021-10-28 22:58:21,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:58:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:21,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:21,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:58:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:58:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:58:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:58:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:58:22,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:58:22,285 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-28 22:58:22,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:22 BoogieIcfgContainer [2021-10-28 22:58:22,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:58:22,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:58:22,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:58:22,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:58:22,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:58:20" (1/3) ... [2021-10-28 22:58:22,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4507693c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:58:22, skipping insertion in model container [2021-10-28 22:58:22,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:20" (2/3) ... [2021-10-28 22:58:22,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4507693c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:58:22, skipping insertion in model container [2021-10-28 22:58:22,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:22" (3/3) ... [2021-10-28 22:58:22,299 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2021-10-28 22:58:22,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:58:22,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:58:22,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:58:22,375 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 [2021-10-28 22:58:22,375 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:58:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-10-28 22:58:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 22:58:22,406 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:22,407 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:22,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:22,415 INFO L85 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-28 22:58:22,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:22,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600581570] [2021-10-28 22:58:22,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:22,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:22,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:22,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600581570] [2021-10-28 22:58:22,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600581570] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:22,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:22,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:58:22,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482178340] [2021-10-28 22:58:22,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:58:22,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:22,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:58:22,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:58:22,810 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-10-28 22:58:22,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:22,842 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-28 22:58:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:58:22,844 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 [2021-10-28 22:58:22,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:22,856 INFO L225 Difference]: With dead ends: 148 [2021-10-28 22:58:22,856 INFO L226 Difference]: Without dead ends: 73 [2021-10-28 22:58:22,860 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:58:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-28 22:58:22,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-28 22:58:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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) [2021-10-28 22:58:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-28 22:58:22,909 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-28 22:58:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:22,910 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-28 22:58:22,910 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) [2021-10-28 22:58:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-28 22:58:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:58:22,926 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:22,926 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:22,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:58:22,927 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:22,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:22,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-28 22:58:22,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:22,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118172969] [2021-10-28 22:58:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:22,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:23,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:23,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118172969] [2021-10-28 22:58:23,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118172969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:23,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:23,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:58:23,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390473395] [2021-10-28 22:58:23,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:58:23,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:58:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:23,117 INFO L87 Difference]: Start difference. First operand 73 states and 102 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) [2021-10-28 22:58:23,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:23,130 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-28 22:58:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:58:23,131 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 [2021-10-28 22:58:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:23,132 INFO L225 Difference]: With dead ends: 73 [2021-10-28 22:58:23,140 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 22:58:23,141 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 22:58:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-28 22:58:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2021-10-28 22:58:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-28 22:58:23,165 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-28 22:58:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:23,165 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-28 22:58:23,166 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) [2021-10-28 22:58:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-28 22:58:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 22:58:23,167 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:23,168 INFO L513 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] [2021-10-28 22:58:23,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:58:23,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-28 22:58:23,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:23,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736436923] [2021-10-28 22:58:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:23,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:23,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:23,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736436923] [2021-10-28 22:58:23,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736436923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:23,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:23,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:58:23,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735381890] [2021-10-28 22:58:23,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:58:23,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:23,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:58:23,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:23,318 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-10-28 22:58:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:23,356 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-28 22:58:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:58:23,357 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), 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 [2021-10-28 22:58:23,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:23,359 INFO L225 Difference]: With dead ends: 93 [2021-10-28 22:58:23,360 INFO L226 Difference]: Without dead ends: 64 [2021-10-28 22:58:23,360 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-28 22:58:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-28 22:58:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 59 states have internal predecessors, (87), 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) [2021-10-28 22:58:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-28 22:58:23,375 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2021-10-28 22:58:23,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:23,375 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-28 22:58:23,376 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), 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) [2021-10-28 22:58:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-28 22:58:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 22:58:23,378 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:23,378 INFO L513 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] [2021-10-28 22:58:23,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:58:23,379 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:23,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:23,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-28 22:58:23,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:23,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110000126] [2021-10-28 22:58:23,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:23,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:23,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:23,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110000126] [2021-10-28 22:58:23,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110000126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:23,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:23,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:23,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532177566] [2021-10-28 22:58:23,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:58:23,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:58:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:58:23,553 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-28 22:58:23,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:23,710 INFO L93 Difference]: Finished difference Result 229 states and 347 transitions. [2021-10-28 22:58:23,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:58:23,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 [2021-10-28 22:58:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:23,723 INFO L225 Difference]: With dead ends: 229 [2021-10-28 22:58:23,723 INFO L226 Difference]: Without dead ends: 175 [2021-10-28 22:58:23,725 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:58:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-28 22:58:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 108. [2021-10-28 22:58:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 107 states have internal predecessors, (155), 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) [2021-10-28 22:58:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2021-10-28 22:58:23,769 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 23 [2021-10-28 22:58:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:23,777 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2021-10-28 22:58:23,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-28 22:58:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2021-10-28 22:58:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:58:23,780 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:23,780 INFO L513 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] [2021-10-28 22:58:23,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:58:23,781 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:23,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:23,782 INFO L85 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2021-10-28 22:58:23,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:23,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286042749] [2021-10-28 22:58:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:23,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:23,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:23,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286042749] [2021-10-28 22:58:23,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286042749] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:23,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:23,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:23,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814770178] [2021-10-28 22:58:23,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:58:23,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:23,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:58:23,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:58:23,941 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-28 22:58:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:24,032 INFO L93 Difference]: Finished difference Result 252 states and 375 transitions. [2021-10-28 22:58:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:58:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2021-10-28 22:58:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:24,034 INFO L225 Difference]: With dead ends: 252 [2021-10-28 22:58:24,034 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:58:24,040 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:58:24,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:58:24,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:58:24,041 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) [2021-10-28 22:58:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:58:24,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-28 22:58:24,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:24,043 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:58:24,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-28 22:58:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:58:24,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:58:24,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:24,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:24,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:24,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:58:24,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:58:24,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:24,373 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 898) no Hoare annotation was computed. [2021-10-28 22:58:24,374 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,375 INFO L853 garLoopResultBuilder]: At program point L515(lines 515 521) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,375 INFO L853 garLoopResultBuilder]: At program point L515-1(lines 515 521) the Hoare annotation is: false [2021-10-28 22:58:24,375 INFO L853 garLoopResultBuilder]: At program point L515-2(lines 515 521) the Hoare annotation is: false [2021-10-28 22:58:24,376 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:58:24,376 INFO L853 garLoopResultBuilder]: At program point L796-2(lines 796 810) the Hoare annotation is: false [2021-10-28 22:58:24,376 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2021-10-28 22:58:24,377 INFO L853 garLoopResultBuilder]: At program point L912-1(lines 912 918) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,377 INFO L853 garLoopResultBuilder]: At program point L780(lines 775 783) the Hoare annotation is: false [2021-10-28 22:58:24,378 INFO L853 garLoopResultBuilder]: At program point L780-1(lines 775 783) the Hoare annotation is: false [2021-10-28 22:58:24,378 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-10-28 22:58:24,378 INFO L853 garLoopResultBuilder]: At program point L780-2(lines 775 783) the Hoare annotation is: false [2021-10-28 22:58:24,379 INFO L857 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2021-10-28 22:58:24,379 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,379 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,380 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,380 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 936) no Hoare annotation was computed. [2021-10-28 22:58:24,380 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 508 514) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,380 INFO L853 garLoopResultBuilder]: At program point L666(lines 651 669) the Hoare annotation is: false [2021-10-28 22:58:24,381 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 651 669) the Hoare annotation is: false [2021-10-28 22:58:24,381 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 651 669) the Hoare annotation is: false [2021-10-28 22:58:24,381 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2021-10-28 22:58:24,382 INFO L853 garLoopResultBuilder]: At program point L435-1(lines 1 949) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,382 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 448) no Hoare annotation was computed. [2021-10-28 22:58:24,382 INFO L853 garLoopResultBuilder]: At program point L435-3(lines 1 949) the Hoare annotation is: false [2021-10-28 22:58:24,382 INFO L857 garLoopResultBuilder]: For program point L435-4(lines 435 448) no Hoare annotation was computed. [2021-10-28 22:58:24,382 INFO L853 garLoopResultBuilder]: At program point L435-5(lines 1 949) the Hoare annotation is: false [2021-10-28 22:58:24,383 INFO L853 garLoopResultBuilder]: At program point L486(lines 481 489) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:58:24,383 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 804) no Hoare annotation was computed. [2021-10-28 22:58:24,383 INFO L857 garLoopResultBuilder]: For program point L800-1(lines 508 514) no Hoare annotation was computed. [2021-10-28 22:58:24,383 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:58:24,384 INFO L857 garLoopResultBuilder]: For program point L702(lines 702 706) no Hoare annotation was computed. [2021-10-28 22:58:24,385 INFO L857 garLoopResultBuilder]: For program point L702-3(lines 702 706) no Hoare annotation was computed. [2021-10-28 22:58:24,385 INFO L857 garLoopResultBuilder]: For program point L702-6(lines 702 706) no Hoare annotation was computed. [2021-10-28 22:58:24,385 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 875) no Hoare annotation was computed. [2021-10-28 22:58:24,385 INFO L860 garLoopResultBuilder]: At program point L868-1(lines 868 875) the Hoare annotation is: true [2021-10-28 22:58:24,386 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2021-10-28 22:58:24,386 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,386 INFO L857 garLoopResultBuilder]: For program point L439-2(lines 439 445) no Hoare annotation was computed. [2021-10-28 22:58:24,386 INFO L857 garLoopResultBuilder]: For program point L439-4(lines 439 445) no Hoare annotation was computed. [2021-10-28 22:58:24,387 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2021-10-28 22:58:24,387 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,387 INFO L853 garLoopResultBuilder]: At program point L771(lines 766 774) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,387 INFO L853 garLoopResultBuilder]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2021-10-28 22:58:24,388 INFO L853 garLoopResultBuilder]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2021-10-28 22:58:24,388 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:58:24,388 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 557) no Hoare annotation was computed. [2021-10-28 22:58:24,388 INFO L857 garLoopResultBuilder]: For program point L540-1(lines 540 557) no Hoare annotation was computed. [2021-10-28 22:58:24,388 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2021-10-28 22:58:24,389 INFO L853 garLoopResultBuilder]: At program point L508(lines 507 526) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,390 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2021-10-28 22:58:24,390 INFO L853 garLoopResultBuilder]: At program point L508-2(lines 507 526) the Hoare annotation is: false [2021-10-28 22:58:24,391 INFO L853 garLoopResultBuilder]: At program point L508-3(lines 507 526) the Hoare annotation is: false [2021-10-28 22:58:24,391 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2021-10-28 22:58:24,392 INFO L853 garLoopResultBuilder]: At program point L674-1(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:58:24,393 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 937) no Hoare annotation was computed. [2021-10-28 22:58:24,393 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 552) no Hoare annotation was computed. [2021-10-28 22:58:24,394 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:58:24,394 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 544 552) no Hoare annotation was computed. [2021-10-28 22:58:24,394 INFO L853 garLoopResultBuilder]: At program point L478(lines 1 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:58:24,394 INFO L857 garLoopResultBuilder]: For program point L544-2(lines 544 552) no Hoare annotation was computed. [2021-10-28 22:58:24,395 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 22:58:24,395 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 730) no Hoare annotation was computed. [2021-10-28 22:58:24,396 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,396 INFO L857 garLoopResultBuilder]: For program point L660-2(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,397 INFO L857 garLoopResultBuilder]: For program point L660-3(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,397 INFO L857 garLoopResultBuilder]: For program point L660-5(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,399 INFO L857 garLoopResultBuilder]: For program point L660-6(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,399 INFO L857 garLoopResultBuilder]: For program point L660-8(lines 660 664) no Hoare annotation was computed. [2021-10-28 22:58:24,401 INFO L853 garLoopResultBuilder]: At program point L611(lines 606 614) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 22:58:24,401 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2021-10-28 22:58:24,402 INFO L853 garLoopResultBuilder]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2021-10-28 22:58:24,402 INFO L853 garLoopResultBuilder]: At program point L942(lines 891 943) the Hoare annotation is: false [2021-10-28 22:58:24,403 INFO L857 garLoopResultBuilder]: For program point L893(lines 892 941) no Hoare annotation was computed. [2021-10-28 22:58:24,405 INFO L860 garLoopResultBuilder]: At program point L877(lines 858 880) the Hoare annotation is: true [2021-10-28 22:58:24,405 INFO L853 garLoopResultBuilder]: At program point L844(lines 840 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:58:24,409 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 22:58:24,415 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:58:24,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:58:24 BoogieIcfgContainer [2021-10-28 22:58:24,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:58:24,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:58:24,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:58:24,445 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:58:24,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:22" (3/4) ... [2021-10-28 22:58:24,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:58:24,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:58:24,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:58:24,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:58:24,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:58:24,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:58:24,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:58:24,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:58:24,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 22:58:24,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:58:24,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:58:24,578 INFO L168 Benchmark]: Toolchain (without parser) took 4367.33 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 50.3 MB in the beginning and 68.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,579 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 94.4 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:58:24,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.39 ms. Allocated memory is still 94.4 MB. Free memory was 50.1 MB in the beginning and 60.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.07 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 56.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,580 INFO L168 Benchmark]: Boogie Preprocessor took 92.27 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,581 INFO L168 Benchmark]: RCFGBuilder took 1232.87 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 67.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,581 INFO L168 Benchmark]: TraceAbstraction took 2153.21 ms. Allocated memory is still 113.2 MB. Free memory was 67.2 MB in the beginning and 76.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,582 INFO L168 Benchmark]: Witness Printer took 131.83 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 68.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:24,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 94.4 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.39 ms. Allocated memory is still 94.4 MB. Free memory was 50.1 MB in the beginning and 60.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.07 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 56.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.27 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1232.87 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 67.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2153.21 ms. Allocated memory is still 113.2 MB. Free memory was 67.2 MB in the beginning and 76.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * Witness Printer took 131.83 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 68.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 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, 0.0s 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 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 321 SDslu, 271 SDs, 0 SdLazy, 63 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 71 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:58:24,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cb3671-8d80-406b-ab47-07cf3a9e67c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...