./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:18,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:18,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:18,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:18,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:18,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:18,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:18,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:18,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:18,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:18,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:18,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:18,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:18,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:18,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:18,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:18,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:18,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:18,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:18,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:18,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:18,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:18,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:18,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:18,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:18,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:18,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:18,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:18,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:18,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:18,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:18,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:18,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:18,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:18,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:18,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:18,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:18,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:18,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:18,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:18,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:18,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:18,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:18,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:18,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:18,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:18,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:18,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:18,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:18,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:18,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:18,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:18,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:18,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:18,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:18,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:18,952 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:18,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:18,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:18,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:18,953 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:18,953 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:18,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:18,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:18,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:18,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:18,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:18,955 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:18,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:18,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:18,955 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2021-11-23 15:03:19,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:19,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:19,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:19,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:19,223 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:19,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2021-11-23 15:03:19,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/51a195dd8/d560deebda7842d8bd685f72f4b8a4cf/FLAG46d82fe7f [2021-11-23 15:03:19,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:19,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2021-11-23 15:03:19,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/51a195dd8/d560deebda7842d8bd685f72f4b8a4cf/FLAG46d82fe7f [2021-11-23 15:03:20,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/51a195dd8/d560deebda7842d8bd685f72f4b8a4cf [2021-11-23 15:03:20,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:20,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:20,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:20,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:20,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:20,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523fb7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20, skipping insertion in model container [2021-11-23 15:03:20,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:20,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:20,316 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2021-11-23 15:03:20,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:20,340 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:20,353 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2021-11-23 15:03:20,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:20,372 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:20,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20 WrapperNode [2021-11-23 15:03:20,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:20,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:20,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:20,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:20,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,408 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 15:03:20,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:20,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:20,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:20,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:20,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:20,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:20,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:20,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:20,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:20" (1/1) ... [2021-11-23 15:03:20,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:20,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:20,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:03:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:03:20,602 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:20,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:20,779 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:20,798 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:20,802 INFO L158 Benchmark]: Toolchain (without parser) took 700.76ms. Allocated memory is still 96.5MB. Free memory was 61.9MB in the beginning and 58.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:20,803 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:20,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.15ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 71.4MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.06ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:20,814 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 68.9MB in the end (delta: 768.2kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,819 INFO L158 Benchmark]: RCFGBuilder took 368.94ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 58.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.15ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 71.4MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.06ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 68.9MB in the end (delta: 768.2kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 368.94ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 58.9MB in the end (delta: 10.0MB). 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 15:03:20,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:23,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:23,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:23,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:23,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:23,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:23,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:23,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:23,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:23,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:23,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:23,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:23,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:23,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:23,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:23,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:23,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:23,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:23,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:23,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:23,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:23,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:23,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:23,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:23,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:23,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:23,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:23,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:23,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:23,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:23,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:23,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:23,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:23,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:23,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:23,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:23,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:23,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:23,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:23,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:23,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:23,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:23,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:23,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:23,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:23,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:23,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:23,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:23,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:23,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:23,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:23,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:23,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:23,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:23,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:23,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:23,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:23,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:23,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:23,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:23,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:23,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:23,520 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:23,520 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:23,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:23,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:23,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:23,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:23,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:23,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:23,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:23,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:23,523 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:23,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:23,524 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2021-11-23 15:03:23,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:23,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:23,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:23,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:23,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:23,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2021-11-23 15:03:23,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/56a01a0f2/4c6248671191431cb38a2389c3cced99/FLAGe4066e6af [2021-11-23 15:03:24,534 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:24,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2021-11-23 15:03:24,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/56a01a0f2/4c6248671191431cb38a2389c3cced99/FLAGe4066e6af [2021-11-23 15:03:24,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/data/56a01a0f2/4c6248671191431cb38a2389c3cced99 [2021-11-23 15:03:24,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:24,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:24,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:24,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:24,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:24,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:24" (1/1) ... [2021-11-23 15:03:24,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a741794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:24, skipping insertion in model container [2021-11-23 15:03:24,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:24" (1/1) ... [2021-11-23 15:03:24,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:24,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:25,142 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2021-11-23 15:03:25,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:25,193 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:25,230 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_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2021-11-23 15:03:25,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:25,250 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:25,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25 WrapperNode [2021-11-23 15:03:25,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:25,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:25,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:25,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:25,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,287 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 15:03:25,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:25,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:25,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:25,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:25,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:25,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:25,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:25,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:25,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:25,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:25,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:25,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:03:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:03:25,468 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:25,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:25,671 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:25,685 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:25,690 INFO L158 Benchmark]: Toolchain (without parser) took 786.38ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 29.5MB in the beginning and 49.4MB in the end (delta: -19.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:25,690 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:25,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.27ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 29.3MB in the beginning and 62.2MB in the end (delta: -33.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:25,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 60.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:25,693 INFO L158 Benchmark]: Boogie Preprocessor took 24.48ms. Allocated memory is still 79.7MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:25,694 INFO L158 Benchmark]: RCFGBuilder took 373.69ms. Allocated memory is still 79.7MB. Free memory was 59.6MB in the beginning and 49.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:25,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.27ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 29.3MB in the beginning and 62.2MB in the end (delta: -33.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 60.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.48ms. Allocated memory is still 79.7MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.69ms. Allocated memory is still 79.7MB. Free memory was 59.6MB in the beginning and 49.4MB in the end (delta: 10.2MB). 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 15:03:25,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_857d3b0c-7dba-4ac6-a9eb-857cb4b71cc0/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