./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.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_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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_28b0ba8d-b161-4e43-bc81-0519556c071f/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 f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:50,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:50,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:51,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:51,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:51,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:51,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:51,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:51,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:51,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:51,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:51,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:51,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:51,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:51,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:51,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:51,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:51,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:51,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:51,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:51,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:51,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:51,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:51,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:51,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:51,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:51,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:51,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:51,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:51,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:51,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:51,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:51,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:51,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:51,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:51,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:51,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:51,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:51,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:51,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:51,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:51,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:51,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:51,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:51,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:51,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:51,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:51,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:51,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:51,117 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:51,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:51,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:51,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:51,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:51,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:51,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:51,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:51,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:51,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:51,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:51,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:51,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:51,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:51,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:51,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:51,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:51,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:51,122 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:51,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:51,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:51,123 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_28b0ba8d-b161-4e43-bc81-0519556c071f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 [2021-11-23 15:01:51,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:51,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:51,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:51,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:51,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:51,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-11-23 15:01:51,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/4def121eb/0c7d451798664130b90d40c75acd7b4a/FLAG74c249432 [2021-11-23 15:01:52,002 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:52,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-11-23 15:01:52,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/4def121eb/0c7d451798664130b90d40c75acd7b4a/FLAG74c249432 [2021-11-23 15:01:52,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/4def121eb/0c7d451798664130b90d40c75acd7b4a [2021-11-23 15:01:52,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:52,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:52,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:52,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:52,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:52,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592850cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52, skipping insertion in model container [2021-11-23 15:01:52,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:52,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:52,700 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_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-11-23 15:01:52,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:52,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:52,758 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_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-11-23 15:01:52,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:52,794 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:52,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52 WrapperNode [2021-11-23 15:01:52,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:52,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:52,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:52,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:52,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,839 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2021-11-23 15:01:52,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:52,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:52,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:52,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:52,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:52,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:52,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:52,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:52,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:52" (1/1) ... [2021-11-23 15:01:52,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:52,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:52,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:52,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:01:53,040 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:53,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:53,176 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:53,201 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 15:01:53,205 INFO L158 Benchmark]: Toolchain (without parser) took 717.08ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 64.6MB in the end (delta: 5.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,205 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:53,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.58ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 76.6MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.98ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:53,208 INFO L158 Benchmark]: Boogie Preprocessor took 47.02ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 74.1MB in the end (delta: 920.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,209 INFO L158 Benchmark]: RCFGBuilder took 315.26ms. Allocated memory is still 102.8MB. Free memory was 74.1MB in the beginning and 64.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.58ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 76.6MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.98ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.02ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 74.1MB in the end (delta: 920.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.26ms. Allocated memory is still 102.8MB. Free memory was 74.1MB in the beginning and 64.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:53,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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_28b0ba8d-b161-4e43-bc81-0519556c071f/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 f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:55,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:55,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:55,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:55,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:55,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:55,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:55,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:55,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:55,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:55,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:55,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:55,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:55,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:55,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:55,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:55,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:55,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:55,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:55,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:55,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:55,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:55,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:55,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:55,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:55,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:55,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:55,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:55,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:55,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:55,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:55,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:55,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:55,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:55,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:55,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:55,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:55,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:55,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:55,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:55,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:55,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:55,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:55,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:55,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:55,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:55,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:55,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:55,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:55,932 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:55,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:55,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:55,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:55,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:55,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:55,934 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:55,934 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:55,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:55,934 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:55,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:55,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:55,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:55,935 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:55,935 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:55,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:55,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:55,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:55,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:55,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:55,937 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:55,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:55,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:55,938 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:55,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:55,938 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_28b0ba8d-b161-4e43-bc81-0519556c071f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 [2021-11-23 15:01:56,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:56,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:56,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:56,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:56,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:56,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-11-23 15:01:56,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/be884a438/81a0f648c99b433fbf1efe097dcde1c3/FLAGc87e86a74 [2021-11-23 15:01:57,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:57,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-11-23 15:01:57,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/be884a438/81a0f648c99b433fbf1efe097dcde1c3/FLAGc87e86a74 [2021-11-23 15:01:57,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/data/be884a438/81a0f648c99b433fbf1efe097dcde1c3 [2021-11-23 15:01:57,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:57,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:57,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:57,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:57,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:57,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bef101a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57, skipping insertion in model container [2021-11-23 15:01:57,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:57,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:57,558 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_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-11-23 15:01:57,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:57,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:57,597 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_28b0ba8d-b161-4e43-bc81-0519556c071f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-11-23 15:01:57,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:57,618 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:57,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57 WrapperNode [2021-11-23 15:01:57,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:57,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:57,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:57,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:57,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,655 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2021-11-23 15:01:57,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:57,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:57,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:57,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:57,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:57,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:57,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:57,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:57,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:57,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:57,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:57,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:01:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:01:57,886 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:57,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:58,073 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:58,112 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 15:01:58,116 INFO L158 Benchmark]: Toolchain (without parser) took 797.23ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 43.9MB in the end (delta: 4.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:58,116 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:58,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.12ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 38.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:58,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 69.2MB. Free memory was 38.2MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:58,119 INFO L158 Benchmark]: Boogie Preprocessor took 25.25ms. Allocated memory is still 69.2MB. Free memory was 36.6MB in the beginning and 35.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:58,120 INFO L158 Benchmark]: RCFGBuilder took 431.87ms. Allocated memory is still 69.2MB. Free memory was 35.5MB in the beginning and 43.9MB in the end (delta: -8.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:58,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.12ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 38.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 69.2MB. Free memory was 38.2MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.25ms. Allocated memory is still 69.2MB. Free memory was 36.6MB in the beginning and 35.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.87ms. Allocated memory is still 69.2MB. Free memory was 35.5MB in the beginning and 43.9MB in the end (delta: -8.4MB). Peak memory consumption was 5.2MB. 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 15:01:58,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b0ba8d-b161-4e43-bc81-0519556c071f/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