./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.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_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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 64bit --witnessprinter.graph.data.programhash 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:21,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:21,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:21,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:21,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:21,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:21,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:21,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:21,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:21,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:21,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:21,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:21,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:21,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:21,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:21,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:21,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:21,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:21,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:21,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:21,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:21,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:21,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:21,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:21,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:21,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:21,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:21,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:21,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:21,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:21,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:21,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:21,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:21,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:21,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:21,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:21,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:21,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:21,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:21,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:21,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:21,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:54:21,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:21,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:21,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:21,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:21,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:21,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:21,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:21,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:21,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:21,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:21,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:21,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:21,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:21,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:21,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:21,366 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:21,366 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:21,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:21,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:21,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:21,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:21,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:21,368 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:21,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:21,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:21,369 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-11-23 15:54:21,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:21,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:21,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:21,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:21,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:21,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:54:21,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/df8bd03f1/5313ad8e3ccb431081161b5fbb275e58/FLAG9b13db099 [2021-11-23 15:54:22,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:22,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:54:22,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/df8bd03f1/5313ad8e3ccb431081161b5fbb275e58/FLAG9b13db099 [2021-11-23 15:54:23,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/df8bd03f1/5313ad8e3ccb431081161b5fbb275e58 [2021-11-23 15:54:23,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:23,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:23,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:23,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:23,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:23,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:23" (1/1) ... [2021-11-23 15:54:23,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758e5087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:23, skipping insertion in model container [2021-11-23 15:54:23,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:23" (1/1) ... [2021-11-23 15:54:23,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:23,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:24,315 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-11-23 15:54:24,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:24,447 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:24,706 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-11-23 15:54:24,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:24,792 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:24,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24 WrapperNode [2021-11-23 15:54:24,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:24,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:24,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:24,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:24,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,015 INFO L137 Inliner]: procedures = 94, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1798 [2021-11-23 15:54:25,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:25,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:25,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:25,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:25,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:25,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:25,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:25,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:25,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:25,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:25,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:25,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:54:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-11-23 15:54:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-11-23 15:54:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-11-23 15:54:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-11-23 15:54:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:54:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:54:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:54:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:54:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-11-23 15:54:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-11-23 15:54:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 15:54:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 15:54:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:54:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:54:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:54:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:54:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:54:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-11-23 15:54:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-11-23 15:54:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:54:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:54:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:54:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-11-23 15:54:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-11-23 15:54:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:54:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:54:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-11-23 15:54:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-11-23 15:54:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-11-23 15:54:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-11-23 15:54:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-11-23 15:54:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-11-23 15:54:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-11-23 15:54:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-11-23 15:54:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:54:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:54:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:54:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:54:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-11-23 15:54:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-11-23 15:54:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:54:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-11-23 15:54:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-11-23 15:54:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:54:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:54:25,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:25,736 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:25,819 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:25,831 INFO L158 Benchmark]: Toolchain (without parser) took 2580.21ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 46.0MB in the beginning and 89.9MB in the end (delta: -43.9MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:25,833 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:25,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.37ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 42.2MB in the end (delta: 3.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:25,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.36ms. Allocated memory is still 104.9MB. Free memory was 42.2MB in the beginning and 55.6MB in the end (delta: -13.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:25,836 INFO L158 Benchmark]: Boogie Preprocessor took 193.77ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 45.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:25,837 INFO L158 Benchmark]: RCFGBuilder took 617.16ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 45.1MB in the beginning and 89.9MB in the end (delta: -44.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:25,841 INFO L339 ainManager$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 86.0MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.37ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 42.2MB in the end (delta: 3.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.36ms. Allocated memory is still 104.9MB. Free memory was 42.2MB in the beginning and 55.6MB in the end (delta: -13.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.77ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 45.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 617.16ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 45.1MB in the beginning and 89.9MB in the end (delta: -44.8MB). 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 15:54:25,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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 64bit --witnessprinter.graph.data.programhash 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:28,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:28,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:28,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:28,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:28,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:28,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:28,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:28,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:28,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:28,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:28,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:28,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:28,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:28,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:28,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:28,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:28,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:28,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:28,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:28,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:28,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:28,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:28,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:28,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:28,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:28,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:28,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:28,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:28,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:28,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:28,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:28,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:28,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:28,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:28,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:28,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:28,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:28,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:28,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:28,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:28,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:54:28,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:28,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:28,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:28,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:28,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:28,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:28,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:28,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:28,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:28,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:28,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:28,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:28,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:28,558 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:28,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:28,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:28,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:28,559 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:28,560 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:28,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:28,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:28,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:28,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:28,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:28,561 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:28,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:28,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:28,562 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:28,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:28,562 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-11-23 15:54:28,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:28,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:28,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:29,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:29,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:29,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:54:29,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/d6bfb7174/35947ddf535d4a4f9d248fd29f110690/FLAG88b31a1fa [2021-11-23 15:54:30,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:30,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:54:30,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/d6bfb7174/35947ddf535d4a4f9d248fd29f110690/FLAG88b31a1fa [2021-11-23 15:54:30,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/data/d6bfb7174/35947ddf535d4a4f9d248fd29f110690 [2021-11-23 15:54:30,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:30,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:30,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:30,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:30,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:30,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:30" (1/1) ... [2021-11-23 15:54:30,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d259a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:30, skipping insertion in model container [2021-11-23 15:54:30,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:30" (1/1) ... [2021-11-23 15:54:30,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:30,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:31,699 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-11-23 15:54:31,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:31,810 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:54:31,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:32,085 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-11-23 15:54:32,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:32,139 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:32,355 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_1ea7ed33-b422-40b4-bc22-bb52582806d2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-11-23 15:54:32,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:32,477 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:32,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32 WrapperNode [2021-11-23 15:54:32,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:32,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:32,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:32,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:32,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,742 INFO L137 Inliner]: procedures = 103, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1735 [2021-11-23 15:54:32,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:32,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:32,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:32,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:32,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:32,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:32,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:32,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:32,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:32" (1/1) ... [2021-11-23 15:54:32,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:32,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:32,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:32,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:54:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:54:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-11-23 15:54:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-11-23 15:54:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:54:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:54:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:54:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:54:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-11-23 15:54:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-11-23 15:54:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 15:54:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 15:54:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:54:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:54:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:54:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:54:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-11-23 15:54:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-11-23 15:54:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-11-23 15:54:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-11-23 15:54:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-11-23 15:54:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-11-23 15:54:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:54:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:54:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:54:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:54:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:54:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:54:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:54:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:54:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-11-23 15:54:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-11-23 15:54:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:54:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:54:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:54:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-11-23 15:54:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-11-23 15:54:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:54:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:54:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:54:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:54:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:54:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:54:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-11-23 15:54:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-11-23 15:54:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-11-23 15:54:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-11-23 15:54:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-11-23 15:54:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-11-23 15:54:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-11-23 15:54:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-11-23 15:54:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:33,431 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:33,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:33,538 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:33,542 INFO L158 Benchmark]: Toolchain (without parser) took 2987.47ms. Allocated memory was 54.5MB in the beginning and 134.2MB in the end (delta: 79.7MB). Free memory was 33.8MB in the beginning and 87.6MB in the end (delta: -53.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:33,543 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:33,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1922.44ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 33.6MB in the beginning and 33.0MB in the end (delta: 587.8kB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:33,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 264.18ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 33.0MB in the beginning and 83.0MB in the end (delta: -50.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:33,545 INFO L158 Benchmark]: Boogie Preprocessor took 179.26ms. Allocated memory is still 134.2MB. Free memory was 83.0MB in the beginning and 71.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:33,546 INFO L158 Benchmark]: RCFGBuilder took 616.92ms. Allocated memory is still 134.2MB. Free memory was 71.6MB in the beginning and 87.6MB in the end (delta: -15.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:33,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1922.44ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 33.6MB in the beginning and 33.0MB in the end (delta: 587.8kB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 264.18ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 33.0MB in the beginning and 83.0MB in the end (delta: -50.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.26ms. Allocated memory is still 134.2MB. Free memory was 83.0MB in the beginning and 71.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 616.92ms. Allocated memory is still 134.2MB. Free memory was 71.6MB in the beginning and 87.6MB in the end (delta: -15.9MB). Peak memory consumption was 19.8MB. 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 15:54:33,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea7ed33-b422-40b4-bc22-bb52582806d2/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