./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:45:31,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:45:31,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:45:31,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:45:31,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:45:31,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:45:31,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:45:31,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:45:31,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:45:31,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:45:31,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:45:31,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:45:31,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:45:31,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:45:31,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:45:31,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:45:31,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:45:31,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:45:31,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:45:31,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:45:31,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:45:31,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:45:31,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:45:31,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:45:31,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:45:31,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:45:31,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:45:31,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:45:31,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:45:31,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:45:31,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:45:31,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:45:31,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:45:31,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:45:31,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:45:31,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:45:31,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:45:31,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:45:31,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:45:31,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:45:31,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:45:31,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:45:31,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:45:31,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:45:31,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:45:31,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:45:31,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:45:31,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:45:31,970 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:45:31,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:45:31,971 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:45:31,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:45:31,971 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:45:31,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:45:31,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:45:31,972 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:45:31,972 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:45:31,973 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:45:31,973 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:45:31,973 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:45:31,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:45:31,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:45:31,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:45:31,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:45:31,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:45:31,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:45:31,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:45:31,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:45:31,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:45:31,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:45:31,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:31,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:45:31,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:45:31,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:45:31,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:45:31,980 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_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d [2022-10-17 17:45:32,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:45:32,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:45:32,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:45:32,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:45:32,279 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:45:32,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2022-10-17 17:45:32,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/data/f92e743e9/bd345d47078a4eab9ee67d3570bed53f/FLAGe54cceee6 [2022-10-17 17:45:32,650 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:48) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:110) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:186) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:147) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:501) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:615) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:508) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2292) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:504) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$4.run(CProjectDescriptionManager.java:484) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:45:33,309 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:45:33,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2022-10-17 17:45:33,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/data/f92e743e9/bd345d47078a4eab9ee67d3570bed53f/FLAGe54cceee6 [2022-10-17 17:45:33,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/data/f92e743e9/bd345d47078a4eab9ee67d3570bed53f [2022-10-17 17:45:33,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:45:33,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:45:33,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:33,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:45:33,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:45:33,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34de8660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:33, skipping insertion in model container [2022-10-17 17:45:33,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:45:33,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:45:34,443 WARN L230 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_23792e27-64d5-4ebc-b748-ee5d3531b75a/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2022-10-17 17:45:36,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:36,096 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:45:36,139 WARN L230 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_23792e27-64d5-4ebc-b748-ee5d3531b75a/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2022-10-17 17:45:37,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:37,299 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:45:37,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37 WrapperNode [2022-10-17 17:45:37,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:37,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:37,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:45:37,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:45:37,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,520 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2022-10-17 17:45:38,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:38,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:45:38,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:45:38,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:45:39,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:45:39,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:45:39,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:45:39,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:39,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:39,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:45:39,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:45:39,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23792e27-64d5-4ebc-b748-ee5d3531b75a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:45:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:45:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:45:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:45:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:45:39,995 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:45:40,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:45:50,075 INFO L276 CfgBuilder]: Performing block encoding