./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dd8364c8714953c9afeb36abd364c6f190aa50908e4c8a879fea609cce169123 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:24,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:24,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:24,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:24,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:24,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:24,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:24,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:24,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:24,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:24,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:24,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:24,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:24,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:24,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:24,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:24,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:24,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:24,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:24,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:24,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:24,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:24,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:24,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:24,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:24,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:24,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:24,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:24,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:24,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:24,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:24,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:24,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:24,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:24,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:24,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:24,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:24,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:24,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:24,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:24,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:24,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:05:24,717 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:24,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:24,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:24,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:24,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:24,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:24,727 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:24,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:24,728 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:24,728 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:05:24,729 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:24,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:24,730 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:05:24,730 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:05:24,730 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:24,731 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:05:24,731 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:05:24,731 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:05:24,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:24,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:05:24,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:24,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:24,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:24,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:24,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:24,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:24,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:24,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:24,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:24,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:24,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:24,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:24,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:24,736 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:05:24,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:05:24,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:24,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:24,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:24,737 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd8364c8714953c9afeb36abd364c6f190aa50908e4c8a879fea609cce169123 [2021-11-23 17:05:25,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:25,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:25,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:25,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:25,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:25,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-11-23 17:05:25,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/fd644265c/d414ca93d9b04fc382508c33e7e1756c/FLAG5b5bc36b7 [2021-11-23 17:05:26,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:26,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-11-23 17:05:26,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/fd644265c/d414ca93d9b04fc382508c33e7e1756c/FLAG5b5bc36b7 [2021-11-23 17:05:26,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/fd644265c/d414ca93d9b04fc382508c33e7e1756c [2021-11-23 17:05:26,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:26,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:26,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:26,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:26,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:26,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:26" (1/1) ... [2021-11-23 17:05:26,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1843834a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:26, skipping insertion in model container [2021-11-23 17:05:26,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:26" (1/1) ... [2021-11-23 17:05:26,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:26,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:27,517 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-11-23 17:05:28,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:28,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:28,330 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-11-23 17:05:28,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:28,490 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:28,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28 WrapperNode [2021-11-23 17:05:28,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:28,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:28,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:28,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:28,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,769 INFO L137 Inliner]: procedures = 107, calls = 507, calls flagged for inlining = 36, calls inlined = 27, statements flattened = 1342 [2021-11-23 17:05:28,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:28,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:28,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:28,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:28,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:28,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:28,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:28,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:28,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:28,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:28,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:29,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:29,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:05:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:05:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:05:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:05:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:05:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:05:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:05:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-11-23 17:05:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-11-23 17:05:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 17:05:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 17:05:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:05:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:05:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 17:05:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 17:05:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:05:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:05:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:05:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-23 17:05:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-23 17:05:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:05:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:05:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:05:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 17:05:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 17:05:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:05:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:05:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:05:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:05:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-23 17:05:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-23 17:05:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 17:05:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 17:05:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 17:05:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 17:05:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-23 17:05:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-23 17:05:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:05:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:05:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 17:05:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 17:05:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:05:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-23 17:05:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-23 17:05:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 17:05:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 17:05:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-23 17:05:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-23 17:05:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:29,473 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:29,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:29,670 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:29,676 INFO L158 Benchmark]: Toolchain (without parser) took 3112.31ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 52.5MB in the beginning and 60.1MB in the end (delta: -7.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 17:05:29,687 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:29,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1926.93ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 52.4MB in the beginning and 58.7MB in the end (delta: -6.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:29,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.44ms. Allocated memory is still 134.2MB. Free memory was 58.7MB in the beginning and 85.2MB in the end (delta: -26.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:29,690 INFO L158 Benchmark]: Boogie Preprocessor took 187.88ms. Allocated memory is still 134.2MB. Free memory was 85.2MB in the beginning and 78.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:05:29,691 INFO L158 Benchmark]: RCFGBuilder took 709.43ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 60.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:05:29,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1926.93ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 52.4MB in the beginning and 58.7MB in the end (delta: -6.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.44ms. Allocated memory is still 134.2MB. Free memory was 58.7MB in the beginning and 85.2MB in the end (delta: -26.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.88ms. Allocated memory is still 134.2MB. Free memory was 85.2MB in the beginning and 78.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 709.43ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 60.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:29,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dd8364c8714953c9afeb36abd364c6f190aa50908e4c8a879fea609cce169123 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:32,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:32,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:32,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:32,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:32,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:32,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:32,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:32,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:32,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:32,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:32,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:32,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:32,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:32,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:32,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:32,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:32,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:32,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:32,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:32,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:32,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:32,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:32,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:32,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:32,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:32,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:32,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:32,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:32,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:32,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:32,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:32,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:32,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:32,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:32,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:32,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:32,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:32,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:32,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:32,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:32,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:05:32,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:32,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:32,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:32,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:32,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:32,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:32,914 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:32,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:32,914 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:32,915 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:32,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:32,916 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:32,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:32,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:32,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:32,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:32,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:32,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:05:32,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:05:32,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:05:32,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:32,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:32,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:32,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:32,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:05:32,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:32,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:32,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:32,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:32,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:32,923 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:05:32,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:05:32,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:32,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:32,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:32,924 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd8364c8714953c9afeb36abd364c6f190aa50908e4c8a879fea609cce169123 [2021-11-23 17:05:33,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:33,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:33,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:33,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:33,424 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:33,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-11-23 17:05:33,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/4232e55be/67ffac0034a445e7bfca666c59a2fc42/FLAG6f8f4821b [2021-11-23 17:05:34,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:34,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-11-23 17:05:34,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/4232e55be/67ffac0034a445e7bfca666c59a2fc42/FLAG6f8f4821b [2021-11-23 17:05:35,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/data/4232e55be/67ffac0034a445e7bfca666c59a2fc42 [2021-11-23 17:05:35,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:35,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:35,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:35,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:35,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:35,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:35" (1/1) ... [2021-11-23 17:05:35,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d07f939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:35, skipping insertion in model container [2021-11-23 17:05:35,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:35" (1/1) ... [2021-11-23 17:05:35,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:35,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:36,045 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-11-23 17:05:36,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:36,635 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:05:36,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:36,911 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-11-23 17:05:37,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:37,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:37,336 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_da2d97fe-ef24-41c2-92e8-82bfa123643c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-11-23 17:05:37,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:37,556 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:37,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37 WrapperNode [2021-11-23 17:05:37,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:37,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:37,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:37,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:37,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,794 INFO L137 Inliner]: procedures = 115, calls = 507, calls flagged for inlining = 36, calls inlined = 27, statements flattened = 1316 [2021-11-23 17:05:37,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:37,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:37,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:37,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:37,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:37,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:37,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:37,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:37,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:37" (1/1) ... [2021-11-23 17:05:37,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:38,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:38,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:05:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:05:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:05:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:05:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:05:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:05:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:05:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:05:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:05:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-11-23 17:05:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-11-23 17:05:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 17:05:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 17:05:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:05:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:05:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 17:05:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 17:05:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:05:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:05:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-23 17:05:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-23 17:05:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:05:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:05:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:05:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 17:05:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 17:05:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:05:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:05:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:05:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:05:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-23 17:05:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-23 17:05:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:05:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:05:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:05:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 17:05:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 17:05:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:05:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 17:05:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 17:05:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-23 17:05:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-23 17:05:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:05:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:05:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 17:05:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 17:05:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-23 17:05:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-23 17:05:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 17:05:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 17:05:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-23 17:05:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-23 17:05:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:38,570 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:38,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:38,847 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:38,855 INFO L158 Benchmark]: Toolchain (without parser) took 3837.83ms. Allocated memory was 52.4MB in the beginning and 127.9MB in the end (delta: 75.5MB). Free memory was 29.7MB in the beginning and 63.8MB in the end (delta: -34.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-11-23 17:05:38,857 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:38,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2539.90ms. Allocated memory was 52.4MB in the beginning and 127.9MB in the end (delta: 75.5MB). Free memory was 29.4MB in the beginning and 59.8MB in the end (delta: -30.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:38,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 236.27ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 71.7MB in the end (delta: -11.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 17:05:38,864 INFO L158 Benchmark]: Boogie Preprocessor took 153.27ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 63.9MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:38,865 INFO L158 Benchmark]: RCFGBuilder took 901.71ms. Allocated memory is still 127.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 128.9kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 17:05:38,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2539.90ms. Allocated memory was 52.4MB in the beginning and 127.9MB in the end (delta: 75.5MB). Free memory was 29.4MB in the beginning and 59.8MB in the end (delta: -30.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 236.27ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 71.7MB in the end (delta: -11.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.27ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 63.9MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 901.71ms. Allocated memory is still 127.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 128.9kB). Peak memory consumption was 22.6MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:38,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2d97fe-ef24-41c2-92e8-82bfa123643c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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