./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label26.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_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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_9574e478-d2d9-4480-b142-096d1b29c9eb/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 4ebd5aed45c5461e176385745bb70c1ebeb4378f3074685fcb814a1b840527ca --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:15,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:15,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:15,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:15,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:15,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:15,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:15,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:15,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:15,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:15,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:15,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:15,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:15,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:15,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:15,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:15,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:15,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:15,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:15,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:15,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:15,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:15,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:15,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:15,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:15,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:15,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:15,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:15,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:15,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:15,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:15,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:15,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:15,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:15,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:15,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:15,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:15,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:15,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:15,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:15,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:15,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:15,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:15,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:15,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:15,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:15,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:15,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:15,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:15,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:15,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:15,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:15,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:15,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:15,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:15,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:15,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:15,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:15,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:15,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:15,239 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:15,239 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:15,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:15,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:15,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:15,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:15,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:15,240 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:15,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:15,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:15,241 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_9574e478-d2d9-4480-b142-096d1b29c9eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ebd5aed45c5461e176385745bb70c1ebeb4378f3074685fcb814a1b840527ca [2021-11-23 15:03:15,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:15,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:15,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:15,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:15,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:15,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label26.c [2021-11-23 15:03:15,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/07b013d4f/2759bcfce16d435ebe0837b05590ba91/FLAG5b7b1f074 [2021-11-23 15:03:16,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:16,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c [2021-11-23 15:03:16,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/07b013d4f/2759bcfce16d435ebe0837b05590ba91/FLAG5b7b1f074 [2021-11-23 15:03:17,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/07b013d4f/2759bcfce16d435ebe0837b05590ba91 [2021-11-23 15:03:17,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:17,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:17,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:17,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:17,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:17,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72710d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17, skipping insertion in model container [2021-11-23 15:03:17,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:17,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:17,726 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_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c[3735,3748] [2021-11-23 15:03:19,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:19,571 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:19,600 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_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c[3735,3748] [2021-11-23 15:03:20,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:20,985 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:20,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20 WrapperNode [2021-11-23 15:03:20,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:20,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:20,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:20,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:21,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:21,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:22,123 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:03:22,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:22,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:22,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:22,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:22,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:22,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:22,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:22,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:23,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:23,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:23,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:23,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:23,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:23,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:23,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:23,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:23,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:23,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:23,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:23,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:23,673 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:23,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:32,702 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:32,775 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 15:03:32,781 INFO L158 Benchmark]: Toolchain (without parser) took 15742.30ms. Allocated memory was 98.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 50.2MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 553.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:32,781 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:32,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3948.75ms. Allocated memory was 98.6MB in the beginning and 302.0MB in the end (delta: 203.4MB). Free memory was 49.9MB in the beginning and 206.2MB in the end (delta: -156.3MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:32,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 1136.79ms. Allocated memory was 302.0MB in the beginning and 612.4MB in the end (delta: 310.4MB). Free memory was 205.1MB in the beginning and 417.7MB in the end (delta: -212.5MB). Peak memory consumption was 174.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:32,787 INFO L158 Benchmark]: Boogie Preprocessor took 1335.85ms. Allocated memory is still 612.4MB. Free memory was 417.7MB in the beginning and 370.0MB in the end (delta: 47.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:32,788 INFO L158 Benchmark]: RCFGBuilder took 9315.74ms. Allocated memory was 612.4MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 370.0MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 360.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:32,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3948.75ms. Allocated memory was 98.6MB in the beginning and 302.0MB in the end (delta: 203.4MB). Free memory was 49.9MB in the beginning and 206.2MB in the end (delta: -156.3MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1136.79ms. Allocated memory was 302.0MB in the beginning and 612.4MB in the end (delta: 310.4MB). Free memory was 205.1MB in the beginning and 417.7MB in the end (delta: -212.5MB). Peak memory consumption was 174.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1335.85ms. Allocated memory is still 612.4MB. Free memory was 417.7MB in the beginning and 370.0MB in the end (delta: 47.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9315.74ms. Allocated memory was 612.4MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 370.0MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 360.6MB. 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 15:03:32,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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_9574e478-d2d9-4480-b142-096d1b29c9eb/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 4ebd5aed45c5461e176385745bb70c1ebeb4378f3074685fcb814a1b840527ca --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:35,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:35,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:35,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:35,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:35,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:35,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:35,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:35,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:35,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:35,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:35,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:35,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:35,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:35,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:35,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:35,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:35,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:35,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:35,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:35,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:35,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:35,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:35,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:35,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:35,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:35,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:35,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:35,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:35,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:35,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:35,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:35,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:35,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:35,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:35,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:35,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:35,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:35,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:35,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:35,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:35,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:35,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:35,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:35,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:35,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:35,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:35,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:35,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:35,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:35,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:35,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:35,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:35,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:35,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:35,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:35,476 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:35,476 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:35,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:35,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:35,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:35,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:35,478 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:35,478 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:35,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:35,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:35,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:35,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:35,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:35,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:35,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:35,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:35,480 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:35,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:35,481 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_9574e478-d2d9-4480-b142-096d1b29c9eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ebd5aed45c5461e176385745bb70c1ebeb4378f3074685fcb814a1b840527ca [2021-11-23 15:03:35,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:35,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:35,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:35,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:35,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:35,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label26.c [2021-11-23 15:03:35,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/0d05ce1e4/10eef4ef70f24abc9b1ebb65ab1354ea/FLAGad56f79c9 [2021-11-23 15:03:37,056 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:37,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c [2021-11-23 15:03:37,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/0d05ce1e4/10eef4ef70f24abc9b1ebb65ab1354ea/FLAGad56f79c9 [2021-11-23 15:03:37,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/data/0d05ce1e4/10eef4ef70f24abc9b1ebb65ab1354ea [2021-11-23 15:03:37,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:37,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:37,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:37,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:37,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:37,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:37" (1/1) ... [2021-11-23 15:03:37,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df4795a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:37, skipping insertion in model container [2021-11-23 15:03:37,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:37" (1/1) ... [2021-11-23 15:03:37,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:37,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:38,072 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_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c[3735,3748] [2021-11-23 15:03:40,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:40,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:40,263 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_9574e478-d2d9-4480-b142-096d1b29c9eb/sv-benchmarks/c/eca-rers2012/Problem19_label26.c[3735,3748] [2021-11-23 15:03:41,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:41,647 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:41,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41 WrapperNode [2021-11-23 15:03:41,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:41,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:41,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:41,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:41,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,193 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:03:42,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:42,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:42,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:42,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:42,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:42,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:42,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:42,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:42,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:42,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:42,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:43,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:43,301 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:43,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:52,839 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:52,913 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 15:04:52,918 INFO L158 Benchmark]: Toolchain (without parser) took 75525.60ms. Allocated memory was 73.4MB in the beginning and 826.3MB in the end (delta: 752.9MB). Free memory was 42.4MB in the beginning and 645.3MB in the end (delta: -602.9MB). Peak memory consumption was 391.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,919 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:52,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4256.71ms. Allocated memory was 73.4MB in the beginning and 188.7MB in the end (delta: 115.3MB). Free memory was 42.2MB in the beginning and 99.2MB in the end (delta: -56.9MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 543.30ms. Allocated memory is still 188.7MB. Free memory was 99.2MB in the beginning and 68.1MB in the end (delta: 31.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,922 INFO L158 Benchmark]: Boogie Preprocessor took 639.59ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 68.1MB in the beginning and 225.8MB in the end (delta: -157.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,923 INFO L158 Benchmark]: RCFGBuilder took 70049.28ms. Allocated memory was 377.5MB in the beginning and 826.3MB in the end (delta: 448.8MB). Free memory was 225.8MB in the beginning and 645.3MB in the end (delta: -419.6MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4256.71ms. Allocated memory was 73.4MB in the beginning and 188.7MB in the end (delta: 115.3MB). Free memory was 42.2MB in the beginning and 99.2MB in the end (delta: -56.9MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 543.30ms. Allocated memory is still 188.7MB. Free memory was 99.2MB in the beginning and 68.1MB in the end (delta: 31.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 639.59ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 68.1MB in the beginning and 225.8MB in the end (delta: -157.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * RCFGBuilder took 70049.28ms. Allocated memory was 377.5MB in the beginning and 826.3MB in the end (delta: 448.8MB). Free memory was 225.8MB in the beginning and 645.3MB in the end (delta: -419.6MB). Peak memory consumption was 271.6MB. 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 15:04:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9574e478-d2d9-4480-b142-096d1b29c9eb/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