./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:37,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:37,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:37,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:37,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:37,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:37,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:37,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:37,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:37,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:37,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:37,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:37,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:37,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:37,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:37,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:37,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:37,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:37,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:37,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:37,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:37,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:37,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:37,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:37,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:37,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:37,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:37,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:37,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:37,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:37,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:37,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:37,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:37,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:37,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:37,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:37,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:37,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:37,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:37,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:37,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:37,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:37,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:37,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:37,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:37,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:37,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:37,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:37,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:37,447 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:37,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:37,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:37,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:37,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:37,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:37,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:37,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:37,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:37,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:37,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:37,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:37,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:37,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:37,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:37,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:37,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:37,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:37,451 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:37,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:37,452 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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2021-11-23 15:52:37,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:37,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:37,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:37,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:37,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:37,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2021-11-23 15:52:37,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/85905f3a4/b58f366f8dd34186a3b9b103caa3eed3/FLAG33eea3a53 [2021-11-23 15:52:38,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:38,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2021-11-23 15:52:38,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/85905f3a4/b58f366f8dd34186a3b9b103caa3eed3/FLAG33eea3a53 [2021-11-23 15:52:38,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/85905f3a4/b58f366f8dd34186a3b9b103caa3eed3 [2021-11-23 15:52:38,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:38,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:38,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:38,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dd65e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38, skipping insertion in model container [2021-11-23 15:52:38,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:38,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:38,912 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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2021-11-23 15:52:38,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:38,949 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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2021-11-23 15:52:38,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,967 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:38,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38 WrapperNode [2021-11-23 15:52:38,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:38,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:38,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,003 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 15:52:39,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:39,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:39,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:39,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:39,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:39,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:39,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:39,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:39,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:39,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:39,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:39,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:39,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:52:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:52:39,166 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:39,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:39,281 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:39,295 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 15:52:39,299 INFO L158 Benchmark]: Toolchain (without parser) took 595.85ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 59.5MB in the end (delta: 571.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:39,300 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 86.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:39,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.98ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 71.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,303 INFO L158 Benchmark]: Boogie Preprocessor took 21.22ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 846.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:39,304 INFO L158 Benchmark]: RCFGBuilder took 271.37ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 59.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 86.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.98ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 71.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.22ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 846.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.37ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 59.5MB in the end (delta: 9.5MB). 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 15:52:39,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:41,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:41,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:41,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:41,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:41,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:41,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:41,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:41,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:41,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:41,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:41,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:41,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:41,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:41,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:41,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:41,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:41,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:41,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:41,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:41,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:41,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:41,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:41,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:41,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:41,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:41,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:41,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:41,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:41,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:41,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:41,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:41,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:41,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:41,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:41,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:41,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:41,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:41,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:41,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:41,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:41,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:41,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:41,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:41,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:41,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:41,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:41,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:41,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:41,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:41,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:41,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:41,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:41,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:41,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:41,905 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:41,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:41,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:41,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:41,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:41,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:41,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:41,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:41,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:41,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:41,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:41,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:41,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:41,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:41,908 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:41,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:41,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:41,909 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:41,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:41,909 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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2021-11-23 15:52:42,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:42,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:42,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:42,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:42,395 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:42,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2021-11-23 15:52:42,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/f2d0efa2a/ce06b64c759a4424876c9981154ef10b/FLAGb04004de5 [2021-11-23 15:52:43,072 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:43,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2021-11-23 15:52:43,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/f2d0efa2a/ce06b64c759a4424876c9981154ef10b/FLAGb04004de5 [2021-11-23 15:52:43,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/data/f2d0efa2a/ce06b64c759a4424876c9981154ef10b [2021-11-23 15:52:43,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:43,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:43,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:43,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:43,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:43,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760c3bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43, skipping insertion in model container [2021-11-23 15:52:43,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:43,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:43,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2021-11-23 15:52:43,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:43,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:43,694 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_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2021-11-23 15:52:43,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:43,717 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:43,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43 WrapperNode [2021-11-23 15:52:43,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:43,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:43,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:43,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:43,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,760 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 15:52:43,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:43,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:43,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:43,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:43,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:43,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:43,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:43,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:43,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:43,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:43,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:43,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:52:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:52:43,956 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:43,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:44,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:44,401 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 15:52:44,405 INFO L158 Benchmark]: Toolchain (without parser) took 943.04ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 31.2MB in the end (delta: 5.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,406 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:44,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 26.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.92ms. Allocated memory is still 58.7MB. Free memory was 26.1MB in the beginning and 42.2MB in the end (delta: -16.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,409 INFO L158 Benchmark]: Boogie Preprocessor took 25.14ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 41.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,410 INFO L158 Benchmark]: RCFGBuilder took 616.12ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 31.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 26.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.92ms. Allocated memory is still 58.7MB. Free memory was 26.1MB in the beginning and 42.2MB in the end (delta: -16.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.14ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 41.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.12ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 31.2MB in the end (delta: 9.8MB). 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 15:52:44,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10535aaa-551a-49d7-b3ee-d15cb4d5d69f/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