./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.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_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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_7e730874-0d9a-4017-946c-fa1af8b78fb6/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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:37,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:37,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:37,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:37,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:37,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:37,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:37,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:37,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:37,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:37,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:37,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:37,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:37,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:37,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:37,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:37,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:37,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:37,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:37,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:37,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:37,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:37,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:37,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:37,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:37,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:37,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:37,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:37,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:37,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:37,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:37,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:37,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:37,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:37,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:37,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:37,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:37,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:37,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:37,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:37,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:37,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:37,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:37,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:37,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:37,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:37,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:37,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:37,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:37,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:37,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:37,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:37,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:37,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:37,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:37,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:37,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:37,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:37,465 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:37,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:37,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:37,465 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:37,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:37,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:37,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:37,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:37,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:37,467 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:37,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:37,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:37,467 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2021-11-23 15:06:37,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:37,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:37,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:37,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:37,809 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:37,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2021-11-23 15:06:37,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/ec0c0f73c/2b9fb1a6b92547e2a32cca5faf68ba34/FLAG915efc5b7 [2021-11-23 15:06:38,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:38,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2021-11-23 15:06:38,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/ec0c0f73c/2b9fb1a6b92547e2a32cca5faf68ba34/FLAG915efc5b7 [2021-11-23 15:06:38,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/ec0c0f73c/2b9fb1a6b92547e2a32cca5faf68ba34 [2021-11-23 15:06:38,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:38,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:38,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:38,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:38,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:38,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:38" (1/1) ... [2021-11-23 15:06:38,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f2be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:38, skipping insertion in model container [2021-11-23 15:06:38,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:38" (1/1) ... [2021-11-23 15:06:38,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:38,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:39,027 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2021-11-23 15:06:39,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:39,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:39,098 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2021-11-23 15:06:39,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:39,130 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:39,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39 WrapperNode [2021-11-23 15:06:39,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:39,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:39,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:39,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:39,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,178 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 15:06:39,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:39,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:39,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:39,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:39,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:39,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:39,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:39,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:39,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2021-11-23 15:06:39,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:39,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:39,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:06:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:06:39,380 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:39,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:39,494 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:39,510 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:39,515 INFO L158 Benchmark]: Toolchain (without parser) took 702.13ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 62.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:39,516 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:39,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.56ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 74.6MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.48ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,519 INFO L158 Benchmark]: Boogie Preprocessor took 34.31ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 937.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:39,521 INFO L158 Benchmark]: RCFGBuilder took 298.41ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 62.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:39,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.56ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 74.6MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.48ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.31ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 937.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.41ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 62.5MB in the end (delta: 9.5MB). 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 15:06:39,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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_7e730874-0d9a-4017-946c-fa1af8b78fb6/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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:42,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:42,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:42,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:42,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:42,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:42,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:42,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:42,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:42,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:42,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:42,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:42,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:42,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:42,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:42,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:42,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:42,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:42,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:42,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:42,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:42,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:42,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:42,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:42,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:42,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:42,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:42,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:42,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:42,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:42,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:42,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:42,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:42,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:42,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:42,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:42,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:42,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:42,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:42,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:42,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:42,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:42,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:42,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:42,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:42,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:42,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:42,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:42,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:42,388 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:42,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:42,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:42,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:42,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:42,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:42,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:42,390 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:42,390 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:42,390 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:42,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:42,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:42,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:42,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:42,391 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:42,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:42,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:42,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:42,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:42,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:42,393 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:42,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:42,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:42,393 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:42,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:42,394 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2021-11-23 15:06:42,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:42,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:42,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:42,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:42,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:42,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2021-11-23 15:06:42,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/231a667ad/544bf136115d4f879fe5eab4a7310fc7/FLAG27f984f18 [2021-11-23 15:06:43,502 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:43,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2021-11-23 15:06:43,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/231a667ad/544bf136115d4f879fe5eab4a7310fc7/FLAG27f984f18 [2021-11-23 15:06:43,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/data/231a667ad/544bf136115d4f879fe5eab4a7310fc7 [2021-11-23 15:06:43,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:43,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:43,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:43,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:43,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:43,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ea23fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43, skipping insertion in model container [2021-11-23 15:06:43,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:43,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:44,111 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2021-11-23 15:06:44,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:44,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:44,151 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_7e730874-0d9a-4017-946c-fa1af8b78fb6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2021-11-23 15:06:44,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:44,172 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:44,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44 WrapperNode [2021-11-23 15:06:44,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:44,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:44,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:44,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:44,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,267 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2021-11-23 15:06:44,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:44,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:44,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:44,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:44,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:44,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:44,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:44,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:44,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:44" (1/1) ... [2021-11-23 15:06:44,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:44,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:44,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:44,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:06:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:06:44,508 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:44,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:44,679 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:44,711 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:44,716 INFO L158 Benchmark]: Toolchain (without parser) took 818.46ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.1MB in the beginning and 35.8MB in the end (delta: -6.7MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,721 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:44,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.16ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 32.1MB in the end (delta: -3.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.11ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 32.1MB in the beginning and 46.0MB in the end (delta: -13.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,726 INFO L158 Benchmark]: Boogie Preprocessor took 44.92ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 44.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:44,729 INFO L158 Benchmark]: RCFGBuilder took 399.24ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 35.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.16ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 32.1MB in the end (delta: -3.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.11ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 32.1MB in the beginning and 46.0MB in the end (delta: -13.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.92ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 44.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.24ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 35.8MB in the end (delta: 8.9MB). 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 15:06:44,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e730874-0d9a-4017-946c-fa1af8b78fb6/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