./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c36021bf62f8ecb2fe7680efcd1da84e4a48ab5a142b1b54a241450a0a93cde --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:08,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:08,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:08,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:08,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:08,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:08,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:08,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:08,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:08,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:08,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:08,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:08,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:08,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:08,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:08,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:08,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:08,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:08,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:08,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:08,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:08,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:08,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:08,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:08,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:08,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:08,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:08,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:08,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:08,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:08,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:08,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:08,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:08,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:08,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:08,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:08,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:08,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:08,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:08,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:08,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:09,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:09,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:09,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:09,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:09,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:09,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:09,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:09,043 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:09,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:09,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:09,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:09,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:09,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:09,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:09,046 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:09,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:09,047 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:09,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:09,048 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:09,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:09,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:09,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:09,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:09,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:09,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:09,050 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:09,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:09,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:09,051 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_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c36021bf62f8ecb2fe7680efcd1da84e4a48ab5a142b1b54a241450a0a93cde [2021-11-23 15:59:09,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:09,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:09,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:09,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:09,399 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:09,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label25.c [2021-11-23 15:59:09,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/44cf9fc9b/497ec45ebaa84cd6aa99821f6b296012/FLAGbceabcfc0 [2021-11-23 15:59:10,637 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:10,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c [2021-11-23 15:59:10,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/44cf9fc9b/497ec45ebaa84cd6aa99821f6b296012/FLAGbceabcfc0 [2021-11-23 15:59:10,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/44cf9fc9b/497ec45ebaa84cd6aa99821f6b296012 [2021-11-23 15:59:10,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:10,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:10,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:10,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:10,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:10,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19cf855f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:10, skipping insertion in model container [2021-11-23 15:59:10,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:10" (1/1) ... [2021-11-23 15:59:10,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:11,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:13,533 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_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c[337176,337189] [2021-11-23 15:59:13,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:13,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:14,904 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_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c[337176,337189] [2021-11-23 15:59:14,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,961 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:14,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14 WrapperNode [2021-11-23 15:59:14,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:14,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:14,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:14,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:14,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,609 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:59:15,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:15,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:15,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:15,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:15,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:15,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:16,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:16,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:16,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:16,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:16,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:16,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:16,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:16,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:16,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:16,372 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:16,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:22,780 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:22,861 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:22,868 INFO L158 Benchmark]: Toolchain (without parser) took 11992.29ms. Allocated memory was 92.3MB in the beginning and 1.1GB in the end (delta: 992.0MB). Free memory was 46.0MB in the beginning and 711.0MB in the end (delta: -665.0MB). Peak memory consumption was 352.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:22,869 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:22,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4087.99ms. Allocated memory was 92.3MB in the beginning and 182.5MB in the end (delta: 90.2MB). Free memory was 46.0MB in the beginning and 67.8MB in the end (delta: -21.7MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:22,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 646.63ms. Allocated memory was 182.5MB in the beginning and 312.5MB in the end (delta: 130.0MB). Free memory was 67.8MB in the beginning and 191.1MB in the end (delta: -123.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:22,873 INFO L158 Benchmark]: Boogie Preprocessor took 454.04ms. Allocated memory is still 312.5MB. Free memory was 191.1MB in the beginning and 155.6MB in the end (delta: 35.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:22,874 INFO L158 Benchmark]: RCFGBuilder took 6799.11ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 771.8MB). Free memory was 155.6MB in the beginning and 711.0MB in the end (delta: -555.4MB). Peak memory consumption was 241.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:22,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4087.99ms. Allocated memory was 92.3MB in the beginning and 182.5MB in the end (delta: 90.2MB). Free memory was 46.0MB in the beginning and 67.8MB in the end (delta: -21.7MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 646.63ms. Allocated memory was 182.5MB in the beginning and 312.5MB in the end (delta: 130.0MB). Free memory was 67.8MB in the beginning and 191.1MB in the end (delta: -123.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 454.04ms. Allocated memory is still 312.5MB. Free memory was 191.1MB in the beginning and 155.6MB in the end (delta: 35.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6799.11ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 771.8MB). Free memory was 155.6MB in the beginning and 711.0MB in the end (delta: -555.4MB). Peak memory consumption was 241.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:22,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c36021bf62f8ecb2fe7680efcd1da84e4a48ab5a142b1b54a241450a0a93cde --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:25,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:25,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:25,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:25,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:25,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:25,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:25,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:25,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:25,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:25,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:25,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:25,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:25,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:25,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:25,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:25,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:25,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:25,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:25,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:25,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:25,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:25,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:25,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:25,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:25,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:25,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:25,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:25,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:25,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:25,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:25,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:25,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:25,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:25,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:25,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:25,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:25,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:25,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:25,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:25,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:25,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:25,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:25,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:25,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:25,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:25,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:25,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:25,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:25,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:25,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:25,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:25,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:25,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:25,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:25,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:25,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:25,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:25,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:25,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:25,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:25,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:25,626 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:25,627 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:25,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:25,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:25,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:25,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:25,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:25,628 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c36021bf62f8ecb2fe7680efcd1da84e4a48ab5a142b1b54a241450a0a93cde [2021-11-23 15:59:25,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:26,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:26,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:26,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:26,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:26,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label25.c [2021-11-23 15:59:26,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/1b2dd4bdb/06343455b5714bab8e510b907fa9e241/FLAG8599004ed [2021-11-23 15:59:27,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:27,060 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c [2021-11-23 15:59:27,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/1b2dd4bdb/06343455b5714bab8e510b907fa9e241/FLAG8599004ed [2021-11-23 15:59:27,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/data/1b2dd4bdb/06343455b5714bab8e510b907fa9e241 [2021-11-23 15:59:27,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:27,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:27,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:27,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:27,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:27,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:27" (1/1) ... [2021-11-23 15:59:27,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860cf47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:27, skipping insertion in model container [2021-11-23 15:59:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:27" (1/1) ... [2021-11-23 15:59:27,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:27,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:30,195 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_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c[337176,337189] [2021-11-23 15:59:30,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:30,231 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:31,458 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_6a21351f-4f85-4a99-832c-ad162a02a026/sv-benchmarks/c/eca-rers2012/Problem06_label25.c[337176,337189] [2021-11-23 15:59:31,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:31,514 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:31,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31 WrapperNode [2021-11-23 15:59:31,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:31,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:31,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:31,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:31,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:31,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,125 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:59:32,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:32,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:32,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:32,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:32,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:32,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:32,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:32,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:32,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:31" (1/1) ... [2021-11-23 15:59:32,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:32,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:32,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:32,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:33,020 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:33,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:41,812 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:41,877 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:41,881 INFO L158 Benchmark]: Toolchain (without parser) took 14290.19ms. Allocated memory was 94.4MB in the beginning and 629.1MB in the end (delta: 534.8MB). Free memory was 53.2MB in the beginning and 376.8MB in the end (delta: -323.6MB). Peak memory consumption was 389.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:41,881 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 84.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:41,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3924.81ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 52.9MB in the beginning and 90.1MB in the end (delta: -37.2MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:41,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 608.64ms. Allocated memory is still 188.7MB. Free memory was 90.1MB in the beginning and 60.6MB in the end (delta: 29.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:41,884 INFO L158 Benchmark]: Boogie Preprocessor took 682.24ms. Allocated memory was 188.7MB in the beginning and 314.6MB in the end (delta: 125.8MB). Free memory was 60.6MB in the beginning and 180.6MB in the end (delta: -120.0MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:41,885 INFO L158 Benchmark]: RCFGBuilder took 9068.50ms. Allocated memory was 314.6MB in the beginning and 629.1MB in the end (delta: 314.6MB). Free memory was 180.6MB in the beginning and 376.8MB in the end (delta: -196.2MB). Peak memory consumption was 296.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:41,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 84.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3924.81ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 52.9MB in the beginning and 90.1MB in the end (delta: -37.2MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 608.64ms. Allocated memory is still 188.7MB. Free memory was 90.1MB in the beginning and 60.6MB in the end (delta: 29.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 682.24ms. Allocated memory was 188.7MB in the beginning and 314.6MB in the end (delta: 125.8MB). Free memory was 60.6MB in the beginning and 180.6MB in the end (delta: -120.0MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9068.50ms. Allocated memory was 314.6MB in the beginning and 629.1MB in the end (delta: 314.6MB). Free memory was 180.6MB in the beginning and 376.8MB in the end (delta: -196.2MB). Peak memory consumption was 296.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:41,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a21351f-4f85-4a99-832c-ad162a02a026/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable