./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --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_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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_f771cf86-e28a-48ad-b74a-5f7890f03878/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:30,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:30,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:30,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:30,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:30,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:30,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:30,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:30,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:30,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:30,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:30,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:30,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:30,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:30,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:30,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:30,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:30,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:30,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:30,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:30,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:30,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:30,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:30,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:30,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:30,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:30,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:30,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:30,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:30,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:30,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:30,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:30,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:30,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:30,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:30,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:30,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:30,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:30,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:30,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:30,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:30,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:31,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:31,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:31,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:31,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:31,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:31,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:31,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:31,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:31,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:31,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:31,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:31,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:31,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:31,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:31,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:31,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:31,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:31,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:31,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:31,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:31,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:31,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:31,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:31,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:31,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:31,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:31,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:31,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:31,065 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_f771cf86-e28a-48ad-b74a-5f7890f03878/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2021-11-23 15:51:31,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:31,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:31,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:31,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:31,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:31,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 15:51:31,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/d6c2c97df/2699d7d57be34c5b9c5873b8caa99420/FLAGf4c0062c4 [2021-11-23 15:51:32,105 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:32,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 15:51:32,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/d6c2c97df/2699d7d57be34c5b9c5873b8caa99420/FLAGf4c0062c4 [2021-11-23 15:51:32,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/d6c2c97df/2699d7d57be34c5b9c5873b8caa99420 [2021-11-23 15:51:32,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:32,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:32,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:32,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:32,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:32,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1118f2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32, skipping insertion in model container [2021-11-23 15:51:32,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:32,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:32,753 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_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 15:51:32,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:32,789 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:32,809 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_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 15:51:32,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:32,850 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:32,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32 WrapperNode [2021-11-23 15:51:32,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:32,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:32,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:32,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:32,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,905 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-11-23 15:51:32,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:32,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:32,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:32,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:32,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:32,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:32,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:32,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:32,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:32" (1/1) ... [2021-11-23 15:51:32,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:33,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:51:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:51:33,152 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:33,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:33,361 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:33,378 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 15:51:33,384 INFO L158 Benchmark]: Toolchain (without parser) took 946.47ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 55.9MB in the beginning and 97.5MB in the end (delta: -41.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:33,385 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:33,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.74ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 55.7MB in the beginning and 109.8MB in the end (delta: -54.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.40ms. Allocated memory is still 134.2MB. Free memory was 109.8MB in the beginning and 108.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,390 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 134.2MB. Free memory was 108.3MB in the beginning and 107.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,391 INFO L158 Benchmark]: RCFGBuilder took 425.70ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 97.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.74ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 55.7MB in the beginning and 109.8MB in the end (delta: -54.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.40ms. Allocated memory is still 134.2MB. Free memory was 109.8MB in the beginning and 108.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 134.2MB. Free memory was 108.3MB in the beginning and 107.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.70ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 97.5MB in the end (delta: 9.6MB). 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 15:51:33,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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_f771cf86-e28a-48ad-b74a-5f7890f03878/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:36,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:36,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:36,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:36,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:36,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:36,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:36,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:36,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:36,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:36,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:36,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:36,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:36,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:36,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:36,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:36,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:36,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:36,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:36,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:36,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:36,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:36,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:36,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:36,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:36,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:36,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:36,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:36,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:36,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:36,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:36,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:36,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:36,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:36,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:36,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:36,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:36,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:36,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:36,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:36,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:36,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:36,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:36,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:36,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:36,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:36,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:36,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:36,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:36,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:36,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:36,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:36,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:36,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:36,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:36,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:36,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:36,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:36,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:36,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:36,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:36,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:36,459 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:36,459 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:36,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:36,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:36,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:36,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:36,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:36,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:36,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:36,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:36,461 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:36,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:36,462 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_f771cf86-e28a-48ad-b74a-5f7890f03878/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2021-11-23 15:51:36,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:36,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:36,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:36,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:36,992 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:36,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 15:51:37,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/4dd22faf6/5c3b2a29f58842a8a932667fc7032ef2/FLAGad82fa11a [2021-11-23 15:51:37,815 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:37,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 15:51:37,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/4dd22faf6/5c3b2a29f58842a8a932667fc7032ef2/FLAGad82fa11a [2021-11-23 15:51:38,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/data/4dd22faf6/5c3b2a29f58842a8a932667fc7032ef2 [2021-11-23 15:51:38,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:38,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:38,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:38,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:38,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:38,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1f2cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38, skipping insertion in model container [2021-11-23 15:51:38,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:38,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:38,433 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_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 15:51:38,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,462 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:38,478 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_f771cf86-e28a-48ad-b74a-5f7890f03878/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 15:51:38,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,501 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:38,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38 WrapperNode [2021-11-23 15:51:38,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:38,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:38,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:38,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,543 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2021-11-23 15:51:38,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:38,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:38,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:38,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:38,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:38,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:38,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:38,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:38,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:51:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:51:38,738 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:38,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:39,025 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:39,039 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 15:51:39,045 INFO L158 Benchmark]: Toolchain (without parser) took 877.80ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 47.8MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:39,046 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:39,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.36ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 60.0MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:39,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:39,050 INFO L158 Benchmark]: Boogie Preprocessor took 27.64ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:39,051 INFO L158 Benchmark]: RCFGBuilder took 469.65ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 47.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:39,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.36ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 60.0MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.64ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.65ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 47.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:39,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f771cf86-e28a-48ad-b74a-5f7890f03878/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