./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39d8dc1866aa4a991b9aaab78fce46f841a157ea ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:14:48,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:14:48,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:14:49,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:14:49,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:14:49,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:14:49,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:14:49,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:14:49,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:14:49,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:14:49,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:14:49,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:14:49,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:14:49,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:14:49,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:14:49,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:14:49,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:14:49,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:14:49,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:14:49,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:14:49,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:14:49,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:14:49,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:14:49,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:14:49,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:14:49,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:14:49,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:14:49,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:14:49,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:14:49,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:14:49,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:14:49,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:14:49,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:14:49,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:14:49,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:14:49,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:14:49,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:14:49,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:14:49,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:14:49,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:14:49,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:14:49,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:14:49,161 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:14:49,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:14:49,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:14:49,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:14:49,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:14:49,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:14:49,170 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:14:49,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:14:49,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:14:49,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:14:49,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:14:49,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:14:49,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:14:49,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:14:49,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:14:49,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:14:49,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:14:49,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:14:49,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:14:49,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:14:49,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:14:49,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:14:49,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:14:49,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:14:49,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:14:49,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:14:49,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:14:49,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:14:49,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:14:49,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:14:49,178 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_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39d8dc1866aa4a991b9aaab78fce46f841a157ea [2021-10-13 01:14:49,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:14:49,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:14:49,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:14:49,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:14:49,497 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:14:49,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-10-13 01:14:49,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/data/5ef7a8e40/1fb5f3ad0fd342829e03ee81e4742007/FLAG1e4b792ff [2021-10-13 01:14:50,007 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:14:50,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-10-13 01:14:50,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/data/5ef7a8e40/1fb5f3ad0fd342829e03ee81e4742007/FLAG1e4b792ff [2021-10-13 01:14:50,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/data/5ef7a8e40/1fb5f3ad0fd342829e03ee81e4742007 [2021-10-13 01:14:50,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:14:50,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:14:50,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:50,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:14:50,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:14:50,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c600b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50, skipping insertion in model container [2021-10-13 01:14:50,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:14:50,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:14:50,329 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_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3369,3382] [2021-10-13 01:14:50,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:50,444 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:14:50,461 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_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3369,3382] [2021-10-13 01:14:50,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:50,533 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:14:50,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50 WrapperNode [2021-10-13 01:14:50,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:50,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:50,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:14:50,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:14:50,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:50,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:14:50,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:14:50,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:14:50,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:14:50,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:14:50,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:14:50,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:14:50,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (1/1) ... [2021-10-13 01:14:50,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:14:50,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:50,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:50,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:14:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:14:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:14:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:14:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:14:51,694 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:14:51,694 INFO L299 CfgBuilder]: Removed 130 assume(true) statements. [2021-10-13 01:14:51,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:51 BoogieIcfgContainer [2021-10-13 01:14:51,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:14:51,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:14:51,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:14:51,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:14:51,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:14:50" (1/3) ... [2021-10-13 01:14:51,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187e2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:14:51, skipping insertion in model container [2021-10-13 01:14:51,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:50" (2/3) ... [2021-10-13 01:14:51,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187e2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:14:51, skipping insertion in model container [2021-10-13 01:14:51,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:51" (3/3) ... [2021-10-13 01:14:51,705 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2021-10-13 01:14:51,713 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:14:51,714 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 01:14:51,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:14:51,765 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:14:51,765 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 01:14:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 01:14:51,787 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:51,787 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:51,788 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:51,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:51,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2021-10-13 01:14:51,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:51,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974033553] [2021-10-13 01:14:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:51,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:52,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:52,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974033553] [2021-10-13 01:14:52,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974033553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:52,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:52,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:14:52,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941512129] [2021-10-13 01:14:52,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:14:52,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:52,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:14:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:14:52,132 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:52,182 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-10-13 01:14:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:14:52,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-10-13 01:14:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:52,197 INFO L225 Difference]: With dead ends: 185 [2021-10-13 01:14:52,197 INFO L226 Difference]: Without dead ends: 92 [2021-10-13 01:14:52,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:14:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-13 01:14:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-13 01:14:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.449438202247191) internal successors, (129), 91 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-10-13 01:14:52,254 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-10-13 01:14:52,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:52,255 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-13 01:14:52,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-13 01:14:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:14:52,258 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:52,259 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:52,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:14:52,260 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:52,260 INFO L82 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2021-10-13 01:14:52,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:52,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747648209] [2021-10-13 01:14:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:52,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:52,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:52,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747648209] [2021-10-13 01:14:52,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747648209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:52,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:52,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:14:52,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952499572] [2021-10-13 01:14:52,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:14:52,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:14:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:52,394 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:52,417 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-10-13 01:14:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:14:52,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-13 01:14:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:52,422 INFO L225 Difference]: With dead ends: 92 [2021-10-13 01:14:52,422 INFO L226 Difference]: Without dead ends: 41 [2021-10-13 01:14:52,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-13 01:14:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-13 01:14:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-10-13 01:14:52,431 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-10-13 01:14:52,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:52,431 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-10-13 01:14:52,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-13 01:14:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 01:14:52,433 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:52,433 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:52,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:14:52,434 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:52,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:52,435 INFO L82 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2021-10-13 01:14:52,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:52,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261774963] [2021-10-13 01:14:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:52,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:52,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:52,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261774963] [2021-10-13 01:14:52,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261774963] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:52,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:52,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:14:52,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736611561] [2021-10-13 01:14:52,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:14:52,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:14:52,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:14:52,602 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:52,660 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-10-13 01:14:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:14:52,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-10-13 01:14:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:52,668 INFO L225 Difference]: With dead ends: 75 [2021-10-13 01:14:52,668 INFO L226 Difference]: Without dead ends: 41 [2021-10-13 01:14:52,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:14:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-13 01:14:52,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-13 01:14:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-10-13 01:14:52,678 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-10-13 01:14:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:52,679 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-10-13 01:14:52,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-10-13 01:14:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 01:14:52,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:52,681 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:52,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:14:52,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:52,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2021-10-13 01:14:52,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:52,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897209839] [2021-10-13 01:14:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:52,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:52,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:52,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897209839] [2021-10-13 01:14:52,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897209839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:52,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:52,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:14:52,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237970641] [2021-10-13 01:14:52,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:14:52,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:14:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:52,787 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:52,818 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-10-13 01:14:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:14:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-13 01:14:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:52,822 INFO L225 Difference]: With dead ends: 99 [2021-10-13 01:14:52,823 INFO L226 Difference]: Without dead ends: 65 [2021-10-13 01:14:52,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-13 01:14:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-13 01:14:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 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) [2021-10-13 01:14:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-10-13 01:14:52,838 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-10-13 01:14:52,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:52,838 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-10-13 01:14:52,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-13 01:14:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 01:14:52,840 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:52,840 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:52,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:14:52,840 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:52,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2021-10-13 01:14:52,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:52,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156003065] [2021-10-13 01:14:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:52,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:52,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:52,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156003065] [2021-10-13 01:14:52,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156003065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:52,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:52,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:14:52,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110027843] [2021-10-13 01:14:52,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:14:52,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:52,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:14:52,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:14:52,973 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:53,077 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-10-13 01:14:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:14:53,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-13 01:14:53,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:53,079 INFO L225 Difference]: With dead ends: 216 [2021-10-13 01:14:53,080 INFO L226 Difference]: Without dead ends: 160 [2021-10-13 01:14:53,083 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:14:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-13 01:14:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-13 01:14:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-10-13 01:14:53,114 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-10-13 01:14:53,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:53,114 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-10-13 01:14:53,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-10-13 01:14:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 01:14:53,116 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:53,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:53,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:14:53,117 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:53,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:53,117 INFO L82 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2021-10-13 01:14:53,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:53,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044010166] [2021-10-13 01:14:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:53,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:53,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044010166] [2021-10-13 01:14:53,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044010166] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:53,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:53,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:14:53,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752226784] [2021-10-13 01:14:53,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:14:53,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:14:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:14:53,196 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:53,262 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-10-13 01:14:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:14:53,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-13 01:14:53,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:53,263 INFO L225 Difference]: With dead ends: 161 [2021-10-13 01:14:53,263 INFO L226 Difference]: Without dead ends: 106 [2021-10-13 01:14:53,264 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:14:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-13 01:14:53,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-10-13 01:14:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 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) [2021-10-13 01:14:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-10-13 01:14:53,271 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-10-13 01:14:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:53,271 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-13 01:14:53,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-13 01:14:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 01:14:53,273 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:53,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:53,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:14:53,273 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:53,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:53,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2021-10-13 01:14:53,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:53,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761408432] [2021-10-13 01:14:53,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:53,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:53,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761408432] [2021-10-13 01:14:53,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761408432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:53,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:53,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:14:53,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255825106] [2021-10-13 01:14:53,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:14:53,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:53,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:14:53,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:14:53,322 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:53,345 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2021-10-13 01:14:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:14:53,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2021-10-13 01:14:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:53,346 INFO L225 Difference]: With dead ends: 149 [2021-10-13 01:14:53,347 INFO L226 Difference]: Without dead ends: 91 [2021-10-13 01:14:53,347 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:14:53,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-13 01:14:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2021-10-13 01:14:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-10-13 01:14:53,355 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-10-13 01:14:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:53,355 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-13 01:14:53,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-10-13 01:14:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 01:14:53,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:53,357 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:53,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:14:53,357 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:53,357 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2021-10-13 01:14:53,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:53,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806090788] [2021-10-13 01:14:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:53,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:53,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806090788] [2021-10-13 01:14:53,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806090788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:53,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:53,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:14:53,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069648688] [2021-10-13 01:14:53,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:14:53,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:14:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:53,406 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:53,426 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2021-10-13 01:14:53,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:14:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 36 [2021-10-13 01:14:53,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:53,427 INFO L225 Difference]: With dead ends: 154 [2021-10-13 01:14:53,428 INFO L226 Difference]: Without dead ends: 94 [2021-10-13 01:14:53,428 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:14:53,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-13 01:14:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-13 01:14:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-10-13 01:14:53,438 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2021-10-13 01:14:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:53,438 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-10-13 01:14:53,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-13 01:14:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 01:14:53,440 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:53,440 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:53,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 01:14:53,440 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:53,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:53,441 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2021-10-13 01:14:53,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:53,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440464332] [2021-10-13 01:14:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:53,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:53,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440464332] [2021-10-13 01:14:53,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440464332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:53,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:53,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:14:53,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090225761] [2021-10-13 01:14:53,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:14:53,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:14:53,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:14:53,536 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:53,839 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2021-10-13 01:14:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 01:14:53,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 01:14:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:53,842 INFO L225 Difference]: With dead ends: 432 [2021-10-13 01:14:53,842 INFO L226 Difference]: Without dead ends: 372 [2021-10-13 01:14:53,843 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 75.9ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:14:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-13 01:14:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2021-10-13 01:14:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-13 01:14:53,862 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2021-10-13 01:14:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:53,863 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-13 01:14:53,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-13 01:14:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 01:14:53,866 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:14:53,866 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:14:53,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:14:53,867 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:14:53,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:53,867 INFO L82 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2021-10-13 01:14:53,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:53,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846848993] [2021-10-13 01:14:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:53,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:53,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846848993] [2021-10-13 01:14:53,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846848993] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:14:53,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768227982] [2021-10-13 01:14:53,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:53,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:14:53,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:53,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:14:53,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:14:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:54,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:14:54,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:14:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:54,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768227982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:14:54,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:14:54,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-13 01:14:54,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063877553] [2021-10-13 01:14:54,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 01:14:54,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:14:54,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 01:14:54,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:14:54,383 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:14:54,680 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2021-10-13 01:14:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:14:54,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 54 [2021-10-13 01:14:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:14:54,682 INFO L225 Difference]: With dead ends: 288 [2021-10-13 01:14:54,682 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:14:54,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 92.2ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-13 01:14:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:14:54,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:14:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:14:54,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-13 01:14:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:14:54,684 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:14:54,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:14:54,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:14:54,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:14:54,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:14:54,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:14:54,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:54,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 01:14:54,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:14:54,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:54,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:54,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:54,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:55,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:56,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,827 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-13 01:14:56,828 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-10-13 01:14:56,828 INFO L857 garLoopResultBuilder]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-10-13 01:14:56,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:14:56,828 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 192) no Hoare annotation was computed. [2021-10-13 01:14:56,829 INFO L860 garLoopResultBuilder]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2021-10-13 01:14:56,829 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-10-13 01:14:56,829 INFO L853 garLoopResultBuilder]: At program point L945(lines 930 948) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-13 01:14:56,829 INFO L853 garLoopResultBuilder]: At program point L945-1(lines 930 948) the Hoare annotation is: false [2021-10-13 01:14:56,829 INFO L853 garLoopResultBuilder]: At program point L945-2(lines 930 948) the Hoare annotation is: false [2021-10-13 01:14:56,830 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 761) no Hoare annotation was computed. [2021-10-13 01:14:56,830 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,830 INFO L857 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,830 INFO L857 garLoopResultBuilder]: For program point L203-2(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,830 INFO L853 garLoopResultBuilder]: At program point L881(lines 874 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,831 INFO L853 garLoopResultBuilder]: At program point L881-1(lines 874 884) the Hoare annotation is: false [2021-10-13 01:14:56,831 INFO L853 garLoopResultBuilder]: At program point L881-2(lines 874 884) the Hoare annotation is: false [2021-10-13 01:14:56,831 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 89) no Hoare annotation was computed. [2021-10-13 01:14:56,831 INFO L853 garLoopResultBuilder]: At program point L72-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse8 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse1 .cse11 .cse2 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse1 .cse11 .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse9 .cse10 .cse5))) [2021-10-13 01:14:56,831 INFO L857 garLoopResultBuilder]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2021-10-13 01:14:56,832 INFO L853 garLoopResultBuilder]: At program point L72-3(lines 1 956) the Hoare annotation is: false [2021-10-13 01:14:56,832 INFO L857 garLoopResultBuilder]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2021-10-13 01:14:56,832 INFO L853 garLoopResultBuilder]: At program point L72-5(lines 1 956) the Hoare annotation is: false [2021-10-13 01:14:56,832 INFO L853 garLoopResultBuilder]: At program point L766(lines 717 767) the Hoare annotation is: false [2021-10-13 01:14:56,832 INFO L853 garLoopResultBuilder]: At program point L238(lines 233 241) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,833 INFO L853 garLoopResultBuilder]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2021-10-13 01:14:56,833 INFO L853 garLoopResultBuilder]: At program point L701(lines 692 705) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-13 01:14:56,833 INFO L853 garLoopResultBuilder]: At program point L701-1(lines 692 705) the Hoare annotation is: false [2021-10-13 01:14:56,833 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 692 705) the Hoare annotation is: false [2021-10-13 01:14:56,833 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2021-10-13 01:14:56,833 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-13 01:14:56,834 INFO L857 garLoopResultBuilder]: For program point L619-3(lines 619 623) no Hoare annotation was computed. [2021-10-13 01:14:56,834 INFO L857 garLoopResultBuilder]: For program point L619-6(lines 619 623) no Hoare annotation was computed. [2021-10-13 01:14:56,834 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:14:56,834 INFO L853 garLoopResultBuilder]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,834 INFO L857 garLoopResultBuilder]: For program point L719(lines 718 765) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 836) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point L819-1(lines 819 836) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point L819-2(lines 819 836) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 724) no Hoare annotation was computed. [2021-10-13 01:14:56,835 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 86) no Hoare annotation was computed. [2021-10-13 01:14:56,836 INFO L857 garLoopResultBuilder]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2021-10-13 01:14:56,836 INFO L857 garLoopResultBuilder]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2021-10-13 01:14:56,836 INFO L853 garLoopResultBuilder]: At program point L787(lines 783 805) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1) .cse5))) [2021-10-13 01:14:56,836 INFO L853 garLoopResultBuilder]: At program point L787-1(lines 783 805) the Hoare annotation is: false [2021-10-13 01:14:56,836 INFO L853 garLoopResultBuilder]: At program point L787-2(lines 783 805) the Hoare annotation is: false [2021-10-13 01:14:56,837 INFO L853 garLoopResultBuilder]: At program point L688(lines 683 691) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse1 .cse4 .cse6 (= ~waterLevel~0 1) .cse8))) [2021-10-13 01:14:56,837 INFO L853 garLoopResultBuilder]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2021-10-13 01:14:56,837 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-10-13 01:14:56,837 INFO L853 garLoopResultBuilder]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2021-10-13 01:14:56,837 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-13 01:14:56,838 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2021-10-13 01:14:56,838 INFO L857 garLoopResultBuilder]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2021-10-13 01:14:56,838 INFO L857 garLoopResultBuilder]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2021-10-13 01:14:56,838 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 744) no Hoare annotation was computed. [2021-10-13 01:14:56,838 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 738 744) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 01:14:56,839 INFO L853 garLoopResultBuilder]: At program point L61(lines 787 793) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 01:14:56,839 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:14:56,839 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 787 793) the Hoare annotation is: false [2021-10-13 01:14:56,839 INFO L853 garLoopResultBuilder]: At program point L61-2(lines 787 793) the Hoare annotation is: false [2021-10-13 01:14:56,839 INFO L853 garLoopResultBuilder]: At program point L656(lines 651 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,840 INFO L853 garLoopResultBuilder]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2021-10-13 01:14:56,840 INFO L853 garLoopResultBuilder]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2021-10-13 01:14:56,840 INFO L860 garLoopResultBuilder]: At program point L194(lines 175 197) the Hoare annotation is: true [2021-10-13 01:14:56,840 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 760) no Hoare annotation was computed. [2021-10-13 01:14:56,840 INFO L853 garLoopResultBuilder]: At program point L756-2(lines 756 760) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 862) no Hoare annotation was computed. [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 831) no Hoare annotation was computed. [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L823-1(lines 823 831) no Hoare annotation was computed. [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L856-2(lines 856 862) no Hoare annotation was computed. [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2021-10-13 01:14:56,841 INFO L857 garLoopResultBuilder]: For program point L856-4(lines 856 862) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939-2(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939-3(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939-5(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939-6(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,842 INFO L857 garLoopResultBuilder]: For program point L939-8(lines 939 943) no Hoare annotation was computed. [2021-10-13 01:14:56,843 INFO L853 garLoopResultBuilder]: At program point L890(lines 885 893) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse4 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse9 .cse8 .cse2 .cse3 .cse4 .cse6))) [2021-10-13 01:14:56,843 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 885 893) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~waterLevel~0 1) .cse3))) [2021-10-13 01:14:56,843 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 885 893) the Hoare annotation is: false [2021-10-13 01:14:56,843 INFO L853 garLoopResultBuilder]: At program point L890-3(lines 885 893) the Hoare annotation is: false [2021-10-13 01:14:56,843 INFO L853 garLoopResultBuilder]: At program point L890-4(lines 885 893) the Hoare annotation is: false [2021-10-13 01:14:56,844 INFO L853 garLoopResultBuilder]: At program point L890-5(lines 885 893) the Hoare annotation is: false [2021-10-13 01:14:56,844 INFO L853 garLoopResultBuilder]: At program point L230(lines 1 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,844 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2021-10-13 01:14:56,844 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:14:56,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-13 01:14:56,845 INFO L853 garLoopResultBuilder]: At program point L794(lines 794 800) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 01:14:56,845 INFO L853 garLoopResultBuilder]: At program point L794-1(lines 794 800) the Hoare annotation is: false [2021-10-13 01:14:56,845 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2021-10-13 01:14:56,845 INFO L853 garLoopResultBuilder]: At program point L794-2(lines 794 800) the Hoare annotation is: false [2021-10-13 01:14:56,845 INFO L853 garLoopResultBuilder]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 01:14:56,846 INFO L853 garLoopResultBuilder]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 01:14:56,850 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:14:56,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:14:56 BoogieIcfgContainer [2021-10-13 01:14:56,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:14:56,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:14:56,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:14:56,879 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:14:56,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:51" (3/4) ... [2021-10-13 01:14:56,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:14:56,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 01:14:56,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 01:14:56,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 01:14:56,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 01:14:56,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 01:14:56,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:14:56,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:14:56,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 01:14:56,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 01:14:56,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 01:14:56,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive)) [2021-10-13 01:14:56,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 01:14:56,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-13 01:14:56,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-13 01:14:56,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:14:56,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:14:56,974 INFO L168 Benchmark]: Toolchain (without parser) took 6932.10 ms. Allocated memory was 83.9 MB in the beginning and 123.7 MB in the end (delta: 39.8 MB). Free memory was 45.9 MB in the beginning and 61.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,975 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:56,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.12 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 45.7 MB in the beginning and 68.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 102.8 MB. Free memory was 68.2 MB in the beginning and 64.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,976 INFO L168 Benchmark]: Boogie Preprocessor took 79.95 ms. Allocated memory is still 102.8 MB. Free memory was 64.6 MB in the beginning and 62.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,976 INFO L168 Benchmark]: RCFGBuilder took 976.52 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 67.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,977 INFO L168 Benchmark]: TraceAbstraction took 5179.08 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.7 MB in the beginning and 69.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,977 INFO L168 Benchmark]: Witness Printer took 94.85 ms. Allocated memory is still 123.7 MB. Free memory was 69.4 MB in the beginning and 61.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:56,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.12 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 45.7 MB in the beginning and 68.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 102.8 MB. Free memory was 68.2 MB in the beginning and 64.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.95 ms. Allocated memory is still 102.8 MB. Free memory was 64.6 MB in the beginning and 62.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 976.52 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 67.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5179.08 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.7 MB in the beginning and 69.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. * Witness Printer took 94.85 ms. Allocated memory is still 123.7 MB. Free memory was 69.4 MB in the beginning and 61.0 MB in the end (delta: 8.4 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: 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, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5091.8ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 23.5ms, AutomataDifference: 1065.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1920.8ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 825 SDtfs, 1148 SDslu, 1192 SDs, 0 SdLazy, 200 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 474.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 271.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 145.7ms AutomataMinimizationTime, 10 MinimizatonAttempts, 379 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 104 NumberOfFragments, 1120 HoareAnnotationTreeSize, 44 FomulaSimplifications, 19928 FormulaSimplificationTreeSizeReduction, 470.5ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 3153 FormulaSimplificationTreeSizeReductionInter, 1434.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 76.8ms SsaConstructionTime, 458.6ms SatisfiabilityAnalysisTime, 883.2ms InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 01:14:57,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b560f1-a0bc-420b-bd15-6e3988a2d36b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...