./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/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_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/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_29503f7a-45e4-49bd-bceb-7fa94c726121/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 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:47:26,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:47:26,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:47:26,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:47:26,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:47:26,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:47:26,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:47:26,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:47:26,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:47:26,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:47:26,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:47:26,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:47:26,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:47:26,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:47:26,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:47:26,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:47:26,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:47:26,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:47:26,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:47:26,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:47:26,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:47:26,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:47:26,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:47:26,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:47:26,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:47:26,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:47:26,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:47:26,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:47:26,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:47:26,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:47:26,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:47:26,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:47:26,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:47:26,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:47:27,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:47:27,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:47:27,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:47:27,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:47:27,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:47:27,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:47:27,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:47:27,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:47:27,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:47:27,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:47:27,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:47:27,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:47:27,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:47:27,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:47:27,057 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:47:27,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:47:27,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:47:27,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:47:27,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:47:27,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:47:27,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:47:27,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:47:27,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:47:27,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:47:27,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:47:27,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:47:27,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:47:27,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:47:27,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:47:27,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:47:27,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:47:27,062 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_29503f7a-45e4-49bd-bceb-7fa94c726121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2021-10-13 00:47:27,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:47:27,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:47:27,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:47:27,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:47:27,320 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:47:27,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-13 00:47:27,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/data/539bb39cc/79d2459881974ed5a7e41c4f5a0e95c8/FLAGcdd6a02ea [2021-10-13 00:47:27,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:47:27,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-13 00:47:27,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/data/539bb39cc/79d2459881974ed5a7e41c4f5a0e95c8/FLAGcdd6a02ea [2021-10-13 00:47:28,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/data/539bb39cc/79d2459881974ed5a7e41c4f5a0e95c8 [2021-10-13 00:47:28,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:47:28,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:47:28,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:47:28,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:47:28,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:47:28,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1482f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28, skipping insertion in model container [2021-10-13 00:47:28,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:47:28,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:47:28,556 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_29503f7a-45e4-49bd-bceb-7fa94c726121/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-13 00:47:28,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:47:28,614 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:47:28,662 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_29503f7a-45e4-49bd-bceb-7fa94c726121/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-13 00:47:28,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:47:28,749 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:47:28,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28 WrapperNode [2021-10-13 00:47:28,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:47:28,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:47:28,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:47:28,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:47:28,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:47:28,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:47:28,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:47:28,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:47:28,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:47:28,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:47:28,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:47:28,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:47:28,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (1/1) ... [2021-10-13 00:47:28,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:47:28,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:47:28,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:47:29,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:47:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:47:30,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:47:30,093 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-13 00:47:30,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:30 BoogieIcfgContainer [2021-10-13 00:47:30,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:47:30,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:47:30,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:47:30,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:47:30,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:47:28" (1/3) ... [2021-10-13 00:47:30,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eec30a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:30, skipping insertion in model container [2021-10-13 00:47:30,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:28" (2/3) ... [2021-10-13 00:47:30,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eec30a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:30, skipping insertion in model container [2021-10-13 00:47:30,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:30" (3/3) ... [2021-10-13 00:47:30,104 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-10-13 00:47:30,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:47:30,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:47:30,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:47:30,170 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:47:30,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:47:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:47:30,194 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:30,194 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:47:30,195 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:30,200 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-13 00:47:30,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:30,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084878510] [2021-10-13 00:47:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:30,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:30,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:30,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084878510] [2021-10-13 00:47:30,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084878510] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:30,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:30,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:47:30,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398597765] [2021-10-13 00:47:30,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:47:30,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:47:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:47:30,455 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:30,487 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-13 00:47:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:47:30,488 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 00:47:30,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:30,499 INFO L225 Difference]: With dead ends: 268 [2021-10-13 00:47:30,499 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 00:47:30,502 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:47:30,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 00:47:30,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-13 00:47:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-13 00:47:30,546 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-13 00:47:30,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:30,547 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-13 00:47:30,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-13 00:47:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:47:30,548 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:30,548 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:47:30,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:47:30,549 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:30,550 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-13 00:47:30,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:30,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725800696] [2021-10-13 00:47:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:30,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:30,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:30,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725800696] [2021-10-13 00:47:30,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725800696] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:30,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:30,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:47:30,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698572561] [2021-10-13 00:47:30,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:47:30,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:47:30,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:47:30,675 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:30,702 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-13 00:47:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:47:30,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 00:47:30,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:30,710 INFO L225 Difference]: With dead ends: 133 [2021-10-13 00:47:30,710 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 00:47:30,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:47:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 00:47:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 00:47:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-13 00:47:30,722 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-13 00:47:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:30,723 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-13 00:47:30,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-13 00:47:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:47:30,724 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:30,724 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:47:30,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:47:30,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:30,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:30,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-13 00:47:30,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:30,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780658648] [2021-10-13 00:47:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:30,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:30,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:30,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780658648] [2021-10-13 00:47:30,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780658648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:30,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:30,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:47:30,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099698167] [2021-10-13 00:47:30,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:47:30,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:30,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:47:30,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:47:30,827 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:30,970 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-13 00:47:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:47:30,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 00:47:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:30,973 INFO L225 Difference]: With dead ends: 176 [2021-10-13 00:47:30,973 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 00:47:30,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:47:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 00:47:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-13 00:47:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-13 00:47:30,984 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-13 00:47:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:30,985 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-13 00:47:30,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-13 00:47:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:47:30,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:30,986 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] [2021-10-13 00:47:30,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:47:30,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:30,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:30,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-13 00:47:30,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:30,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31121913] [2021-10-13 00:47:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:30,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:31,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:31,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31121913] [2021-10-13 00:47:31,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31121913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:31,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:31,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:47:31,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261852819] [2021-10-13 00:47:31,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:47:31,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:47:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:47:31,067 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:31,096 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-13 00:47:31,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:47:31,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:47:31,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:31,098 INFO L225 Difference]: With dead ends: 163 [2021-10-13 00:47:31,098 INFO L226 Difference]: Without dead ends: 95 [2021-10-13 00:47:31,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:47:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-13 00:47:31,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-13 00:47:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-13 00:47:31,110 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-13 00:47:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:31,110 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-13 00:47:31,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-13 00:47:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:47:31,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:31,112 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] [2021-10-13 00:47:31,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:47:31,112 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:31,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:31,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-13 00:47:31,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:31,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313525657] [2021-10-13 00:47:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:31,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:31,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:31,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313525657] [2021-10-13 00:47:31,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313525657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:31,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:31,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:47:31,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383994884] [2021-10-13 00:47:31,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:31,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:31,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:31,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:31,235 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:31,341 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2021-10-13 00:47:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:47:31,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 00:47:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:31,346 INFO L225 Difference]: With dead ends: 331 [2021-10-13 00:47:31,346 INFO L226 Difference]: Without dead ends: 244 [2021-10-13 00:47:31,349 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:47:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-13 00:47:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2021-10-13 00:47:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-13 00:47:31,385 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2021-10-13 00:47:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:31,385 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-13 00:47:31,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-10-13 00:47:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:47:31,391 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:31,391 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 00:47:31,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:47:31,392 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 00:47:31,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2021-10-13 00:47:31,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:31,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448333857] [2021-10-13 00:47:31,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:31,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:31,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:31,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448333857] [2021-10-13 00:47:31,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448333857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:31,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:31,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:47:31,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208096335] [2021-10-13 00:47:31,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:31,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:31,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:31,515 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 00:47:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:31,632 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2021-10-13 00:47:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:47:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 00:47:31,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:31,636 INFO L225 Difference]: With dead ends: 327 [2021-10-13 00:47:31,636 INFO L226 Difference]: Without dead ends: 325 [2021-10-13 00:47:31,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:47:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-13 00:47:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2021-10-13 00:47:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3831168831168832) internal successors, (213), 154 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2021-10-13 00:47:31,661 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2021-10-13 00:47:31,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:31,661 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2021-10-13 00:47:31,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 00:47:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-10-13 00:47:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:47:31,664 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:31,664 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] [2021-10-13 00:47:31,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:47:31,665 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 00:47:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:31,665 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2021-10-13 00:47:31,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:31,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348736970] [2021-10-13 00:47:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:31,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:31,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:31,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348736970] [2021-10-13 00:47:31,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348736970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:31,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:31,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:47:31,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198891307] [2021-10-13 00:47:31,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:47:31,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:47:31,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:47:31,748 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:31,882 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-10-13 00:47:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:47:31,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-10-13 00:47:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:31,884 INFO L225 Difference]: With dead ends: 320 [2021-10-13 00:47:31,884 INFO L226 Difference]: Without dead ends: 233 [2021-10-13 00:47:31,885 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:47:31,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-13 00:47:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2021-10-13 00:47:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3799126637554586) internal successors, (316), 229 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2021-10-13 00:47:31,912 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2021-10-13 00:47:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:31,914 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2021-10-13 00:47:31,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2021-10-13 00:47:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:47:31,916 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:31,917 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] [2021-10-13 00:47:31,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:47:31,917 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 00:47:31,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:31,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1754647538, now seen corresponding path program 1 times [2021-10-13 00:47:31,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:31,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707881821] [2021-10-13 00:47:31,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:31,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:31,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:31,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707881821] [2021-10-13 00:47:32,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707881821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:32,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:32,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:47:32,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96624636] [2021-10-13 00:47:32,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:47:32,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:32,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:47:32,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:47:32,002 INFO L87 Difference]: Start difference. First operand 230 states and 316 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:32,090 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2021-10-13 00:47:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:47:32,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-13 00:47:32,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:32,093 INFO L225 Difference]: With dead ends: 679 [2021-10-13 00:47:32,094 INFO L226 Difference]: Without dead ends: 516 [2021-10-13 00:47:32,094 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:32,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-10-13 00:47:32,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2021-10-13 00:47:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3711790393013101) internal successors, (314), 229 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2021-10-13 00:47:32,120 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2021-10-13 00:47:32,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:32,120 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2021-10-13 00:47:32,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2021-10-13 00:47:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:47:32,122 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:32,122 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] [2021-10-13 00:47:32,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:47:32,122 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 00:47:32,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2021-10-13 00:47:32,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:32,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401739108] [2021-10-13 00:47:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:32,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:32,188 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 00:47:32,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:32,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401739108] [2021-10-13 00:47:32,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401739108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:32,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:32,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:47:32,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307877291] [2021-10-13 00:47:32,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:32,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:32,191 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:32,383 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2021-10-13 00:47:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:47:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-13 00:47:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:32,393 INFO L225 Difference]: With dead ends: 505 [2021-10-13 00:47:32,394 INFO L226 Difference]: Without dead ends: 342 [2021-10-13 00:47:32,398 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:47:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-13 00:47:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2021-10-13 00:47:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.380392156862745) internal successors, (352), 255 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2021-10-13 00:47:32,426 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2021-10-13 00:47:32,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:32,426 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2021-10-13 00:47:32,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2021-10-13 00:47:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 00:47:32,428 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:32,429 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1] [2021-10-13 00:47:32,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:47:32,429 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 00:47:32,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:32,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2021-10-13 00:47:32,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:32,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907638607] [2021-10-13 00:47:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:32,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:47:32,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:32,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907638607] [2021-10-13 00:47:32,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907638607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:32,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:32,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:47:32,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135451466] [2021-10-13 00:47:32,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:32,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:32,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:32,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:32,531 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:32,655 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2021-10-13 00:47:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:47:32,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 00:47:32,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:32,660 INFO L225 Difference]: With dead ends: 778 [2021-10-13 00:47:32,661 INFO L226 Difference]: Without dead ends: 528 [2021-10-13 00:47:32,661 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:47:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-13 00:47:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2021-10-13 00:47:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.3674242424242424) internal successors, (361), 264 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2021-10-13 00:47:32,705 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2021-10-13 00:47:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:32,705 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2021-10-13 00:47:32,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2021-10-13 00:47:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 00:47:32,707 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:32,707 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1] [2021-10-13 00:47:32,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:47:32,708 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2021-10-13 00:47:32,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:32,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341236012] [2021-10-13 00:47:32,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:32,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:47:32,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:32,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341236012] [2021-10-13 00:47:32,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341236012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:32,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:32,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:47:32,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65731258] [2021-10-13 00:47:32,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:47:32,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:32,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:47:32,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:47:32,784 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:32,848 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2021-10-13 00:47:32,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:47:32,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 00:47:32,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:32,851 INFO L225 Difference]: With dead ends: 609 [2021-10-13 00:47:32,851 INFO L226 Difference]: Without dead ends: 350 [2021-10-13 00:47:32,852 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-13 00:47:32,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2021-10-13 00:47:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3408071748878925) internal successors, (299), 223 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2021-10-13 00:47:32,882 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2021-10-13 00:47:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:32,882 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2021-10-13 00:47:32,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-10-13 00:47:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 00:47:32,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:32,884 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-13 00:47:32,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:47:32,884 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:32,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-10-13 00:47:32,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:32,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108523539] [2021-10-13 00:47:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:32,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:32,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:32,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108523539] [2021-10-13 00:47:32,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108523539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:47:32,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595011863] [2021-10-13 00:47:32,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:32,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:47:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:47:32,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:47:33,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:47:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:33,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:47:33,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:47:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:47:33,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595011863] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:47:33,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:47:33,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-13 00:47:33,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866417411] [2021-10-13 00:47:33,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:47:33,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:47:33,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:47:33,360 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:33,590 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2021-10-13 00:47:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:47:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-10-13 00:47:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:33,594 INFO L225 Difference]: With dead ends: 636 [2021-10-13 00:47:33,594 INFO L226 Difference]: Without dead ends: 466 [2021-10-13 00:47:33,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:47:33,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-13 00:47:33,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2021-10-13 00:47:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.3394833948339484) internal successors, (363), 271 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2021-10-13 00:47:33,629 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2021-10-13 00:47:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:33,629 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2021-10-13 00:47:33,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2021-10-13 00:47:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-13 00:47:33,631 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:33,631 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:47:33,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:47:33,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:47:33,856 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:33,857 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2021-10-13 00:47:33,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:33,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330002113] [2021-10-13 00:47:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:33,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:47:34,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:34,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330002113] [2021-10-13 00:47:34,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330002113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:34,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:34,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:47:34,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115288258] [2021-10-13 00:47:34,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:34,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:34,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:34,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:34,015 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:34,466 INFO L93 Difference]: Finished difference Result 853 states and 1154 transitions. [2021-10-13 00:47:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:47:34,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 76 [2021-10-13 00:47:34,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:34,470 INFO L225 Difference]: With dead ends: 853 [2021-10-13 00:47:34,471 INFO L226 Difference]: Without dead ends: 628 [2021-10-13 00:47:34,471 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 84.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:47:34,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-10-13 00:47:34,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 376. [2021-10-13 00:47:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.336) internal successors, (501), 375 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2021-10-13 00:47:34,531 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2021-10-13 00:47:34,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:34,532 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2021-10-13 00:47:34,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2021-10-13 00:47:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-13 00:47:34,533 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:47:34,533 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:47:34,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:47:34,534 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:47:34,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:47:34,534 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-10-13 00:47:34,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:47:34,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758624682] [2021-10-13 00:47:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:47:34,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:47:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:47:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:47:34,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:47:34,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758624682] [2021-10-13 00:47:34,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758624682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:47:34,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:47:34,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:47:34,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508259249] [2021-10-13 00:47:34,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:47:34,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:47:34,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:47:34,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:47:34,587 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:47:34,672 INFO L93 Difference]: Finished difference Result 720 states and 959 transitions. [2021-10-13 00:47:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:47:34,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 76 [2021-10-13 00:47:34,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:47:34,674 INFO L225 Difference]: With dead ends: 720 [2021-10-13 00:47:34,674 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:47:34,675 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:47:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:47:34,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:47:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:47:34,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-13 00:47:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:47:34,676 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:47:34,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:47:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:47:34,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:47:34,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:47:34,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:47:34,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:47:34,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:47:34,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:47:34,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:34,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:35,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:35,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:35,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:35,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:35,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:36,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:37,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:47:43,128 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,128 INFO L853 garLoopResultBuilder]: At program point L399(lines 384 402) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-10-13 00:47:43,128 INFO L853 garLoopResultBuilder]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2021-10-13 00:47:43,128 INFO L853 garLoopResultBuilder]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2021-10-13 00:47:43,128 INFO L857 garLoopResultBuilder]: For program point L598(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-13 00:47:43,129 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2021-10-13 00:47:43,130 INFO L853 garLoopResultBuilder]: At program point L203(lines 203 209) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-13 00:47:43,130 INFO L853 garLoopResultBuilder]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2021-10-13 00:47:43,130 INFO L853 garLoopResultBuilder]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2021-10-13 00:47:43,130 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 508) no Hoare annotation was computed. [2021-10-13 00:47:43,130 INFO L860 garLoopResultBuilder]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L172(lines 123 173) the Hoare annotation is: false [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L603(lines 594 607) the Hoare annotation is: false [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L603-1(lines 594 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse2))) [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2021-10-13 00:47:43,131 INFO L853 garLoopResultBuilder]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2021-10-13 00:47:43,132 INFO L853 garLoopResultBuilder]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2021-10-13 00:47:43,132 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:47:43,132 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,132 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-10-13 00:47:43,132 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 407 413) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-13 00:47:43,132 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,133 INFO L857 garLoopResultBuilder]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 150) no Hoare annotation was computed. [2021-10-13 00:47:43,134 INFO L853 garLoopResultBuilder]: At program point L144-1(lines 144 150) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-13 00:47:43,135 INFO L860 garLoopResultBuilder]: At program point L510(lines 491 513) the Hoare annotation is: true [2021-10-13 00:47:43,135 INFO L853 garLoopResultBuilder]: At program point L478(lines 474 480) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:47:43,135 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-10-13 00:47:43,135 INFO L853 garLoopResultBuilder]: At program point L380(lines 365 383) the Hoare annotation is: false [2021-10-13 00:47:43,135 INFO L853 garLoopResultBuilder]: At program point L380-1(lines 365 383) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse2) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2))) [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L613(lines 608 616) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-10-13 00:47:43,136 INFO L853 garLoopResultBuilder]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L316(lines 309 319) the Hoare annotation is: false [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L316-1(lines 309 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2021-10-13 00:47:43,137 INFO L853 garLoopResultBuilder]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2021-10-13 00:47:43,138 INFO L853 garLoopResultBuilder]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 167) no Hoare annotation was computed. [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 271) no Hoare annotation was computed. [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2021-10-13 00:47:43,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:47:43,139 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 104) no Hoare annotation was computed. [2021-10-13 00:47:43,139 INFO L853 garLoopResultBuilder]: At program point L91-1(lines 1 991) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) .cse2) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2))) [2021-10-13 00:47:43,139 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2021-10-13 00:47:43,139 INFO L853 garLoopResultBuilder]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2021-10-13 00:47:43,139 INFO L857 garLoopResultBuilder]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2021-10-13 00:47:43,139 INFO L853 garLoopResultBuilder]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L125(lines 124 171) no Hoare annotation was computed. [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,140 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 266) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-13 00:47:43,141 INFO L857 garLoopResultBuilder]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L857 garLoopResultBuilder]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L857 garLoopResultBuilder]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L857 garLoopResultBuilder]: For program point L622(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L857 garLoopResultBuilder]: For program point L622-1(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L857 garLoopResultBuilder]: For program point L622-2(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,142 INFO L853 garLoopResultBuilder]: At program point L325(lines 320 328) the Hoare annotation is: false [2021-10-13 00:47:43,143 INFO L853 garLoopResultBuilder]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2021-10-13 00:47:43,143 INFO L853 garLoopResultBuilder]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2021-10-13 00:47:43,143 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-10-13 00:47:43,143 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 196 202) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-13 00:47:43,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:47:43,144 INFO L853 garLoopResultBuilder]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))))) [2021-10-13 00:47:43,144 INFO L853 garLoopResultBuilder]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2021-10-13 00:47:43,144 INFO L853 garLoopResultBuilder]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-10-13 00:47:43,144 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-10-13 00:47:43,144 INFO L857 garLoopResultBuilder]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2021-10-13 00:47:43,144 INFO L857 garLoopResultBuilder]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: false [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 553 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2021-10-13 00:47:43,145 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,145 INFO L853 garLoopResultBuilder]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,146 INFO L857 garLoopResultBuilder]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L857 garLoopResultBuilder]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L857 garLoopResultBuilder]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L857 garLoopResultBuilder]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L857 garLoopResultBuilder]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L857 garLoopResultBuilder]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2021-10-13 00:47:43,147 INFO L853 garLoopResultBuilder]: At program point L196(lines 195 214) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2021-10-13 00:47:43,148 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2021-10-13 00:47:43,148 INFO L853 garLoopResultBuilder]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2021-10-13 00:47:43,148 INFO L853 garLoopResultBuilder]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2021-10-13 00:47:43,148 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:47:43,148 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-13 00:47:43,148 INFO L853 garLoopResultBuilder]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,149 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 991) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:47:43,149 INFO L857 garLoopResultBuilder]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2021-10-13 00:47:43,150 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-13 00:47:43,150 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-10-13 00:47:43,150 INFO L853 garLoopResultBuilder]: At program point L134-1(lines 134 140) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-13 00:47:43,154 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:47:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:47:43 BoogieIcfgContainer [2021-10-13 00:47:43,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:47:43,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:47:43,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:47:43,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:47:43,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:30" (3/4) ... [2021-10-13 00:47:43,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:47:43,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:47:43,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:47:43,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:47:43,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:47:43,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:47:43,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:47:43,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:47:43,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && waterLevel == 1 [2021-10-13 00:47:43,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1 [2021-10-13 00:47:43,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 2 <= tmp) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) [2021-10-13 00:47:43,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) [2021-10-13 00:47:43,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) [2021-10-13 00:47:43,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) [2021-10-13 00:47:43,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) [2021-10-13 00:47:43,242 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-10-13 00:47:43,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) [2021-10-13 00:47:43,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && !(0 == systemActive) [2021-10-13 00:47:43,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-10-13 00:47:43,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) [2021-10-13 00:47:43,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) [2021-10-13 00:47:43,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:47:43,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:47:43,313 INFO L168 Benchmark]: Toolchain (without parser) took 15085.26 ms. Allocated memory was 121.6 MB in the beginning and 211.8 MB in the end (delta: 90.2 MB). Free memory was 77.9 MB in the beginning and 158.4 MB in the end (delta: -80.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,313 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 121.6 MB. Free memory was 95.3 MB in the beginning and 95.3 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:47:43,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.38 ms. Allocated memory is still 121.6 MB. Free memory was 77.7 MB in the beginning and 85.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.29 ms. Allocated memory is still 121.6 MB. Free memory was 85.8 MB in the beginning and 81.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,315 INFO L168 Benchmark]: Boogie Preprocessor took 83.33 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 78.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,315 INFO L168 Benchmark]: RCFGBuilder took 1146.95 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 113.6 MB in the end (delta: -34.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,315 INFO L168 Benchmark]: TraceAbstraction took 13081.14 ms. Allocated memory was 146.8 MB in the beginning and 211.8 MB in the end (delta: 65.0 MB). Free memory was 113.6 MB in the beginning and 170.0 MB in the end (delta: -56.3 MB). Peak memory consumption was 120.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,316 INFO L168 Benchmark]: Witness Printer took 132.60 ms. Allocated memory is still 211.8 MB. Free memory was 170.0 MB in the beginning and 158.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:47:43,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 121.6 MB. Free memory was 95.3 MB in the beginning and 95.3 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.38 ms. Allocated memory is still 121.6 MB. Free memory was 77.7 MB in the beginning and 85.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.29 ms. Allocated memory is still 121.6 MB. Free memory was 85.8 MB in the beginning and 81.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.33 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 78.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1146.95 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 113.6 MB in the end (delta: -34.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13081.14 ms. Allocated memory was 146.8 MB in the beginning and 211.8 MB in the end (delta: 65.0 MB). Free memory was 113.6 MB in the beginning and 170.0 MB in the end (delta: -56.3 MB). Peak memory consumption was 120.7 MB. Max. memory is 16.1 GB. * Witness Printer took 132.60 ms. Allocated memory is still 211.8 MB. Free memory was 170.0 MB in the beginning and 158.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12992.0ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 30.2ms, AutomataDifference: 1945.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8447.3ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 2317 SDslu, 2834 SDs, 0 SdLazy, 389 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 814.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 311.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 361.6ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1524 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 198 NumberOfFragments, 552 HoareAnnotationTreeSize, 56 FomulaSimplifications, 907564 FormulaSimplificationTreeSizeReduction, 2751.1ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 926694 FormulaSimplificationTreeSizeReductionInter, 5677.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 110.1ms SsaConstructionTime, 494.9ms SatisfiabilityAnalysisTime, 1021.0ms InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 1028 SizeOfPredicates, 3 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 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: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 2 <= tmp) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1)) || ((splverifierCounter == 0 && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-10-13 00:47:43,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29503f7a-45e4-49bd-bceb-7fa94c726121/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...