./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label19.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_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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_de4a0a2e-7d33-47c2-97d0-85be8452d919/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 621b76d45e71b900ed4790a963135fd5d1534c3ea1a3881cac0c7af3a95c6bc9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:15,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:15,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:15,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:15,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:15,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:15,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:15,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:15,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:15,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:15,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:15,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:15,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:15,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:15,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:15,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:15,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:15,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:15,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:15,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:15,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:15,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:15,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:15,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:15,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:15,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:15,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:15,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:15,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:15,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:15,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:15,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:15,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:15,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:15,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:15,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:15,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:15,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:15,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:15,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:15,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:15,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:15,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:15,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:15,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:15,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:15,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:15,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:15,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:15,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:15,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:15,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:15,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:15,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:15,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:15,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:15,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:15,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:15,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:15,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:15,258 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:15,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:15,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:15,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:15,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:15,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:15,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:15,259 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:15,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:15,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:15,260 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621b76d45e71b900ed4790a963135fd5d1534c3ea1a3881cac0c7af3a95c6bc9 [2021-11-23 15:06:15,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:15,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:15,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:15,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:15,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:15,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label19.c [2021-11-23 15:06:15,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/b4192912f/60243bc4c5594a018cd10d96a0597da8/FLAG8ede8f7f1 [2021-11-23 15:06:16,496 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:16,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c [2021-11-23 15:06:16,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/b4192912f/60243bc4c5594a018cd10d96a0597da8/FLAG8ede8f7f1 [2021-11-23 15:06:16,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/b4192912f/60243bc4c5594a018cd10d96a0597da8 [2021-11-23 15:06:16,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:16,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:16,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:16,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:16,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:16,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:16" (1/1) ... [2021-11-23 15:06:16,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2a9e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:16, skipping insertion in model container [2021-11-23 15:06:16,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:16" (1/1) ... [2021-11-23 15:06:17,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:17,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:18,696 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c[176505,176518] [2021-11-23 15:06:18,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:18,749 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:19,517 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c[176505,176518] [2021-11-23 15:06:19,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:19,563 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:19,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19 WrapperNode [2021-11-23 15:06:19,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:19,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:19,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:19,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:19,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,868 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:06:19,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:19,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:19,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:19,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:19,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:20,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:20,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:20,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:20,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:20,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:20,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:20,474 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:20,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:24,724 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:24,792 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 15:06:24,804 INFO L158 Benchmark]: Toolchain (without parser) took 7812.56ms. Allocated memory was 86.0MB in the beginning and 390.1MB in the end (delta: 304.1MB). Free memory was 50.0MB in the beginning and 177.2MB in the end (delta: -127.2MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,806 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:24,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2574.38ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 49.7MB in the beginning and 67.2MB in the end (delta: -17.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 304.42ms. Allocated memory is still 134.2MB. Free memory was 67.2MB in the beginning and 51.6MB in the end (delta: 15.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,809 INFO L158 Benchmark]: Boogie Preprocessor took 284.56ms. Allocated memory is still 134.2MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,810 INFO L158 Benchmark]: RCFGBuilder took 4644.56ms. Allocated memory was 134.2MB in the beginning and 390.1MB in the end (delta: 255.9MB). Free memory was 39.4MB in the beginning and 177.2MB in the end (delta: -137.8MB). Peak memory consumption was 126.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,820 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 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2574.38ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 49.7MB in the beginning and 67.2MB in the end (delta: -17.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 304.42ms. Allocated memory is still 134.2MB. Free memory was 67.2MB in the beginning and 51.6MB in the end (delta: 15.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 284.56ms. Allocated memory is still 134.2MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4644.56ms. Allocated memory was 134.2MB in the beginning and 390.1MB in the end (delta: 255.9MB). Free memory was 39.4MB in the beginning and 177.2MB in the end (delta: -137.8MB). Peak memory consumption was 126.0MB. 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 15:06:24,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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_de4a0a2e-7d33-47c2-97d0-85be8452d919/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 621b76d45e71b900ed4790a963135fd5d1534c3ea1a3881cac0c7af3a95c6bc9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:27,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:27,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:27,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:27,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:27,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:27,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:27,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:27,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:27,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:27,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:27,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:27,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:27,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:27,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:27,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:27,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:27,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:27,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:27,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:27,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:27,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:27,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:27,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:27,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:27,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:27,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:27,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:27,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:27,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:27,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:27,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:27,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:27,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:27,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:27,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:27,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:27,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:27,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:27,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:27,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:27,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:27,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:27,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:27,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:27,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:27,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:27,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:27,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:27,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:27,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:27,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:27,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:27,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:27,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:27,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:27,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:27,819 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:27,819 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:27,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:27,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:27,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:27,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:27,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:27,820 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:27,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:27,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:27,821 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:27,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:27,821 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621b76d45e71b900ed4790a963135fd5d1534c3ea1a3881cac0c7af3a95c6bc9 [2021-11-23 15:06:28,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:28,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:28,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:28,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:28,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:28,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label19.c [2021-11-23 15:06:28,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/445286cef/318175f644d140b1978966e2dbaa93d3/FLAG0744b6849 [2021-11-23 15:06:29,423 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:29,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c [2021-11-23 15:06:29,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/445286cef/318175f644d140b1978966e2dbaa93d3/FLAG0744b6849 [2021-11-23 15:06:29,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/data/445286cef/318175f644d140b1978966e2dbaa93d3 [2021-11-23 15:06:29,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:29,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:29,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:29,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:29,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:29,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:29" (1/1) ... [2021-11-23 15:06:29,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2cc935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:29, skipping insertion in model container [2021-11-23 15:06:29,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:29" (1/1) ... [2021-11-23 15:06:29,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:29,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:31,476 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c[176505,176518] [2021-11-23 15:06:31,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:31,518 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:32,180 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_de4a0a2e-7d33-47c2-97d0-85be8452d919/sv-benchmarks/c/eca-rers2012/Problem04_label19.c[176505,176518] [2021-11-23 15:06:32,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:32,244 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:32,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32 WrapperNode [2021-11-23 15:06:32,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:32,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:32,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:32,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:32,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:32,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:32,700 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:06:32,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:32,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:32,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:32,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:32,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:32,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:32,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:32,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:33,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:33,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:33,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:33,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:33,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:33,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:33,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:33,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:32" (1/1) ... [2021-11-23 15:06:33,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:33,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:33,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:33,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:33,392 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:33,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:39,650 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:39,701 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 15:06:39,706 INFO L158 Benchmark]: Toolchain (without parser) took 9874.69ms. Allocated memory was 60.8MB in the beginning and 494.9MB in the end (delta: 434.1MB). Free memory was 39.3MB in the beginning and 195.2MB in the end (delta: -155.9MB). Peak memory consumption was 283.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,707 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:39,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2414.74ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 39.1MB in the beginning and 49.5MB in the end (delta: -10.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 468.89ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 49.5MB in the beginning and 55.3MB in the end (delta: -5.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,709 INFO L158 Benchmark]: Boogie Preprocessor took 422.21ms. Allocated memory is still 123.7MB. Free memory was 55.3MB in the beginning and 44.8MB in the end (delta: 10.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,710 INFO L158 Benchmark]: RCFGBuilder took 6562.43ms. Allocated memory was 123.7MB in the beginning and 494.9MB in the end (delta: 371.2MB). Free memory was 44.4MB in the beginning and 195.2MB in the end (delta: -150.8MB). Peak memory consumption was 224.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2414.74ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 39.1MB in the beginning and 49.5MB in the end (delta: -10.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 468.89ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 49.5MB in the beginning and 55.3MB in the end (delta: -5.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 422.21ms. Allocated memory is still 123.7MB. Free memory was 55.3MB in the beginning and 44.8MB in the end (delta: 10.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6562.43ms. Allocated memory was 123.7MB in the beginning and 494.9MB in the end (delta: 371.2MB). Free memory was 44.4MB in the beginning and 195.2MB in the end (delta: -150.8MB). Peak memory consumption was 224.4MB. 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 15:06:39,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4a0a2e-7d33-47c2-97d0-85be8452d919/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