./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/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_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/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_8a0ebf00-5769-435f-8585-2f3a6746d286/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 c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:21,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:21,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:22,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:22,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:22,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:22,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:22,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:22,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:22,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:22,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:22,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:22,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:22,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:22,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:22,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:22,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:22,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:22,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:22,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:22,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:22,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:22,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:22,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:22,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:22,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:22,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:22,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:22,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:22,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:22,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:22,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:22,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:22,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:22,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:22,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:22,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:22,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:22,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:22,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:22,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:22,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:43:22,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:22,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:22,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:22,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:22,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:22,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:22,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:22,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:22,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:22,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:22,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:22,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:22,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:22,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:22,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:22,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:22,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:22,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:22,143 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:22,143 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:22,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:22,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:22,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:22,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:22,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:22,145 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:22,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:22,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:22,146 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_8a0ebf00-5769-435f-8585-2f3a6746d286/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d [2021-11-23 15:43:22,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:22,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:22,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:22,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:22,500 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:22,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2021-11-23 15:43:22,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/63bbfd127/7f5b6b7d6ae84bf0b94f17153c07b73e/FLAGc229d0672 [2021-11-23 15:43:23,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:23,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2021-11-23 15:43:23,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/63bbfd127/7f5b6b7d6ae84bf0b94f17153c07b73e/FLAGc229d0672 [2021-11-23 15:43:23,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/63bbfd127/7f5b6b7d6ae84bf0b94f17153c07b73e [2021-11-23 15:43:23,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:23,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:23,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:23,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:23,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:23,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:23" (1/1) ... [2021-11-23 15:43:23,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b59cbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:23, skipping insertion in model container [2021-11-23 15:43:23,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:23" (1/1) ... [2021-11-23 15:43:23,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:24,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:24,651 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_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2021-11-23 15:43:26,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:26,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:26,732 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_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2021-11-23 15:43:27,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:27,882 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:27,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27 WrapperNode [2021-11-23 15:43:27,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:27,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:27,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:27,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:27,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:28,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,052 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:43:29,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:29,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:29,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:29,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:29,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:29,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:30,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:30,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:30,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:30,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:30,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:27" (1/1) ... [2021-11-23 15:43:30,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:30,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:30,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:30,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:30,423 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:30,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:39,799 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:39,863 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 15:43:39,869 INFO L158 Benchmark]: Toolchain (without parser) took 15943.83ms. Allocated memory was 111.1MB in the beginning and 992.0MB in the end (delta: 880.8MB). Free memory was 64.1MB in the beginning and 541.1MB in the end (delta: -477.0MB). Peak memory consumption was 609.8MB. Max. memory is 16.1GB. [2021-11-23 15:43:39,870 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:39,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3956.02ms. Allocated memory was 111.1MB in the beginning and 220.2MB in the end (delta: 109.1MB). Free memory was 63.8MB in the beginning and 116.7MB in the end (delta: -52.9MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2021-11-23 15:43:39,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 1169.13ms. Allocated memory was 220.2MB in the beginning and 440.4MB in the end (delta: 220.2MB). Free memory was 116.7MB in the beginning and 265.6MB in the end (delta: -148.9MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:39,873 INFO L158 Benchmark]: Boogie Preprocessor took 1024.50ms. Allocated memory is still 440.4MB. Free memory was 265.6MB in the beginning and 205.8MB in the end (delta: 59.8MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2021-11-23 15:43:39,874 INFO L158 Benchmark]: RCFGBuilder took 9787.64ms. Allocated memory was 440.4MB in the beginning and 992.0MB in the end (delta: 551.6MB). Free memory was 205.8MB in the beginning and 541.1MB in the end (delta: -335.3MB). Peak memory consumption was 423.9MB. Max. memory is 16.1GB. [2021-11-23 15:43:39,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3956.02ms. Allocated memory was 111.1MB in the beginning and 220.2MB in the end (delta: 109.1MB). Free memory was 63.8MB in the beginning and 116.7MB in the end (delta: -52.9MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1169.13ms. Allocated memory was 220.2MB in the beginning and 440.4MB in the end (delta: 220.2MB). Free memory was 116.7MB in the beginning and 265.6MB in the end (delta: -148.9MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1024.50ms. Allocated memory is still 440.4MB. Free memory was 265.6MB in the beginning and 205.8MB in the end (delta: 59.8MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. * RCFGBuilder took 9787.64ms. Allocated memory was 440.4MB in the beginning and 992.0MB in the end (delta: 551.6MB). Free memory was 205.8MB in the beginning and 541.1MB in the end (delta: -335.3MB). Peak memory consumption was 423.9MB. 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 15:43:39,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/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_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/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_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/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_8a0ebf00-5769-435f-8585-2f3a6746d286/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 c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:42,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:42,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:42,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:42,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:42,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:42,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:42,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:42,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:42,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:42,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:42,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:42,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:42,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:42,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:42,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:42,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:42,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:42,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:42,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:42,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:42,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:42,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:42,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:42,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:42,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:42,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:42,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:42,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:42,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:42,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:42,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:42,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:42,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:42,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:42,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:42,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:42,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:42,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:42,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:42,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:42,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:42,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:42,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:42,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:42,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:42,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:42,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:42,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:42,661 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:42,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:42,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:42,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:42,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:42,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:42,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:42,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:42,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:42,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:42,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:42,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:42,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:42,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:42,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:42,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:42,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:42,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:42,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:42,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:42,667 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:42,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:42,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:42,667 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:42,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:42,668 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_8a0ebf00-5769-435f-8585-2f3a6746d286/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0e747263653a180fbc46f30f97b0f5af05e1d494ba34ecc1d0e52a666b3e02d [2021-11-23 15:43:43,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:43,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:43,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:43,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:43,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:43,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2021-11-23 15:43:43,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/09aed177c/44ecf93bcd1a47f5bf3f919f336d2050/FLAGe2cc62816 [2021-11-23 15:43:44,409 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:44,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c [2021-11-23 15:43:44,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/09aed177c/44ecf93bcd1a47f5bf3f919f336d2050/FLAGe2cc62816 [2021-11-23 15:43:44,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/data/09aed177c/44ecf93bcd1a47f5bf3f919f336d2050 [2021-11-23 15:43:44,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:44,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:44,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:44,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:44,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:44,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:44" (1/1) ... [2021-11-23 15:43:44,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ab2f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:44, skipping insertion in model container [2021-11-23 15:43:44,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:44" (1/1) ... [2021-11-23 15:43:44,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:45,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:45,323 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_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2021-11-23 15:43:47,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:47,296 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:47,325 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_8a0ebf00-5769-435f-8585-2f3a6746d286/sv-benchmarks/c/eca-rers2012/Problem19_label56.c[6747,6760] [2021-11-23 15:43:48,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:48,588 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:48,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48 WrapperNode [2021-11-23 15:43:48,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:48,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:48,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:48,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:48,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:48,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,021 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:43:49,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:49,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:49,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:49,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:49,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:49,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:49,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:49,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:49,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:48" (1/1) ... [2021-11-23 15:43:49,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:49,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:49,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:50,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:50,204 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:50,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:57,047 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:57,112 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 15:44:57,116 INFO L158 Benchmark]: Toolchain (without parser) took 72460.64ms. Allocated memory was 71.3MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 36.9MB in the beginning and 1.0GB in the end (delta: -996.7MB). Peak memory consumption was 364.0MB. Max. memory is 16.1GB. [2021-11-23 15:44:57,117 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:57,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3933.67ms. Allocated memory was 71.3MB in the beginning and 262.1MB in the end (delta: 190.8MB). Free memory was 36.7MB in the beginning and 180.7MB in the end (delta: -144.0MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2021-11-23 15:44:57,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 429.85ms. Allocated memory is still 262.1MB. Free memory was 180.7MB in the beginning and 114.6MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-23 15:44:57,119 INFO L158 Benchmark]: Boogie Preprocessor took 838.12ms. Allocated memory was 262.1MB in the beginning and 625.0MB in the end (delta: 362.8MB). Free memory was 114.6MB in the beginning and 487.9MB in the end (delta: -373.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-23 15:44:57,120 INFO L158 Benchmark]: RCFGBuilder took 67252.28ms. Allocated memory was 625.0MB in the beginning and 1.2GB in the end (delta: 625.0MB). Free memory was 487.9MB in the beginning and 1.0GB in the end (delta: -545.7MB). Peak memory consumption was 262.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:57,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3933.67ms. Allocated memory was 71.3MB in the beginning and 262.1MB in the end (delta: 190.8MB). Free memory was 36.7MB in the beginning and 180.7MB in the end (delta: -144.0MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 429.85ms. Allocated memory is still 262.1MB. Free memory was 180.7MB in the beginning and 114.6MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 838.12ms. Allocated memory was 262.1MB in the beginning and 625.0MB in the end (delta: 362.8MB). Free memory was 114.6MB in the beginning and 487.9MB in the end (delta: -373.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 67252.28ms. Allocated memory was 625.0MB in the beginning and 1.2GB in the end (delta: 625.0MB). Free memory was 487.9MB in the beginning and 1.0GB in the end (delta: -545.7MB). Peak memory consumption was 262.2MB. 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 15:44:57,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0ebf00-5769-435f-8585-2f3a6746d286/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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