./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex02-1.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_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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_7b601be9-79cf-439b-8f91-5ff894bbeef2/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 f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:40,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:40,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:40,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:40,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:40,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:40,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:40,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:40,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:40,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:40,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:40,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:40,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:40,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:40,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:40,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:40,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:40,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:40,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:40,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:40,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:40,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:40,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:40,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:40,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:40,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:40,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:40,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:40,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:40,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:40,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:40,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:40,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:40,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:40,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:40,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:40,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:40,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:40,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:40,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:40,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:40,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:40,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:40,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:40,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:40,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:40,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:40,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:40,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:40,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:40,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:40,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:40,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:40,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:40,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:40,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:40,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:40,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:40,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:40,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:40,370 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:40,370 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:40,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:40,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:40,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:40,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:40,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:40,372 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:40,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:40,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:40,374 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 [2021-11-23 15:56:40,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:40,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:40,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:40,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:40,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:40,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops/trex02-1.c [2021-11-23 15:56:40,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/3e1c9164c/a4ea5e1fb8a64728ad9d43773cd9b0df/FLAG1b8cc0599 [2021-11-23 15:56:41,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:41,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c [2021-11-23 15:56:41,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/3e1c9164c/a4ea5e1fb8a64728ad9d43773cd9b0df/FLAG1b8cc0599 [2021-11-23 15:56:41,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/3e1c9164c/a4ea5e1fb8a64728ad9d43773cd9b0df [2021-11-23 15:56:41,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:41,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:41,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:41,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:41,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:41" (1/1) ... [2021-11-23 15:56:41,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5018ec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:41, skipping insertion in model container [2021-11-23 15:56:41,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:41" (1/1) ... [2021-11-23 15:56:41,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:41,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:41,970 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c[320,333] [2021-11-23 15:56:41,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:42,002 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:42,026 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c[320,333] [2021-11-23 15:56:42,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:42,051 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:42,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42 WrapperNode [2021-11-23 15:56:42,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:42,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:42,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:42,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,098 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 15:56:42,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:42,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:42,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:42,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:42,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:42,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:42,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:42,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:42,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:42,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:42,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-11-23 15:56:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-11-23 15:56:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:42,323 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:42,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:42,427 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:42,441 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 15:56:42,446 INFO L158 Benchmark]: Toolchain (without parser) took 703.05ms. Allocated memory is still 102.8MB. Free memory was 65.2MB in the beginning and 67.9MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:42,446 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:42,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.02ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 79.6MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.32ms. Allocated memory is still 102.8MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,449 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 77.4MB in the end (delta: 907.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:42,450 INFO L158 Benchmark]: RCFGBuilder took 301.92ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 67.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.02ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 79.6MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.32ms. Allocated memory is still 102.8MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.09ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 77.4MB in the end (delta: 907.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.92ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 67.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. 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 15:56:42,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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_7b601be9-79cf-439b-8f91-5ff894bbeef2/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 f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:45,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:45,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:45,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:45,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:45,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:45,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:45,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:45,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:45,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:45,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:45,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:45,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:45,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:45,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:45,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:45,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:45,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:45,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:45,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:45,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:45,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:45,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:45,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:45,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:45,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:45,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:45,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:45,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:45,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:45,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:45,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:45,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:45,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:45,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:45,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:45,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:45,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:45,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:45,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:45,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:45,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:45,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:45,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:45,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:45,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:45,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:45,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:45,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:45,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:45,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:45,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:45,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:45,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:45,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:45,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:45,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:45,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:45,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:45,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:45,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:45,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:45,300 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:45,301 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:45,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:45,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:45,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:45,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:45,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:45,302 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:45,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:45,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:45,303 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:45,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:45,304 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 [2021-11-23 15:56:45,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:45,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:45,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:45,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:45,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:45,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops/trex02-1.c [2021-11-23 15:56:45,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/5c5025a4b/2c426e0d3df74de78c41e7f8f05b4884/FLAG037867198 [2021-11-23 15:56:46,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:46,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c [2021-11-23 15:56:46,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/5c5025a4b/2c426e0d3df74de78c41e7f8f05b4884/FLAG037867198 [2021-11-23 15:56:46,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/data/5c5025a4b/2c426e0d3df74de78c41e7f8f05b4884 [2021-11-23 15:56:46,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:46,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:46,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:46,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:46,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:46,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3802eb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:46, skipping insertion in model container [2021-11-23 15:56:46,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:46,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:47,002 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c[320,333] [2021-11-23 15:56:47,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:47,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:47,048 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_7b601be9-79cf-439b-8f91-5ff894bbeef2/sv-benchmarks/c/loops/trex02-1.c[320,333] [2021-11-23 15:56:47,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:47,074 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:47,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47 WrapperNode [2021-11-23 15:56:47,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:47,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:47,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:47,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:47,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,139 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-23 15:56:47,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:47,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:47,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:47,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:47,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:47,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:47,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:47,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:47,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:47,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:47,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-11-23 15:56:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-11-23 15:56:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:47,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:47,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:47,449 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:47,465 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 15:56:47,470 INFO L158 Benchmark]: Toolchain (without parser) took 710.81ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 39.6MB in the end (delta: -6.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,471 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:47,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.56ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.8MB in the beginning and 51.5MB in the end (delta: -18.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.44ms. Allocated memory is still 67.1MB. Free memory was 51.3MB in the beginning and 49.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,474 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:47,475 INFO L158 Benchmark]: RCFGBuilder took 290.77ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 39.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.56ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.8MB in the beginning and 51.5MB in the end (delta: -18.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.44ms. Allocated memory is still 67.1MB. Free memory was 51.3MB in the beginning and 49.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.77ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 39.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. 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 15:56:47,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b601be9-79cf-439b-8f91-5ff894bbeef2/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