./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.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_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/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_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/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_0057e125-fd76-4225-b758-458b1e00fa8a/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 c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:13,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:13,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:13,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:13,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:13,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:13,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:13,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:13,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:13,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:13,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:13,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:13,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:13,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:13,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:13,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:13,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:13,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:13,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:13,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:13,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:13,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:13,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:13,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:13,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:13,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:13,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:13,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:13,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:13,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:13,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:13,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:13,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:13,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:13,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:13,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:13,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:13,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:13,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:13,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:13,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:13,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:48:13,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:13,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:13,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:13,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:13,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:13,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:13,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:13,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:13,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:13,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:13,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:13,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:13,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:13,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:13,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:13,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:13,321 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:13,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:13,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:13,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:13,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:13,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:13,322 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:13,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:13,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:13,323 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_0057e125-fd76-4225-b758-458b1e00fa8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2021-11-23 15:48:13,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:13,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:13,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:13,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:13,657 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:13,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-11-23 15:48:13,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/a277ebc6e/53fb587345a1492fbe29b869d318cca3/FLAG8ba8e2ff7 [2021-11-23 15:48:14,479 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:14,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-11-23 15:48:14,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/a277ebc6e/53fb587345a1492fbe29b869d318cca3/FLAG8ba8e2ff7 [2021-11-23 15:48:14,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/a277ebc6e/53fb587345a1492fbe29b869d318cca3 [2021-11-23 15:48:14,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:14,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:14,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:14,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:14,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:14,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:14" (1/1) ... [2021-11-23 15:48:14,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bdcc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:14, skipping insertion in model container [2021-11-23 15:48:14,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:14" (1/1) ... [2021-11-23 15:48:14,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:14,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:15,262 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_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-11-23 15:48:15,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:15,747 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:15,934 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_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-11-23 15:48:16,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:16,094 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:16,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16 WrapperNode [2021-11-23 15:48:16,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:16,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:16,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:16,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:16,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,278 INFO L137 Inliner]: procedures = 96, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1808 [2021-11-23 15:48:16,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:16,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:16,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:16,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:16,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:16,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:16,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:16,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:16,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:16" (1/1) ... [2021-11-23 15:48:16,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:16,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-11-23 15:48:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-11-23 15:48:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-11-23 15:48:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-11-23 15:48:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:48:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:48:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:48:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-11-23 15:48:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-11-23 15:48:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 15:48:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 15:48:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:48:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:48:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-11-23 15:48:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-11-23 15:48:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:48:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:48:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:48:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-11-23 15:48:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-11-23 15:48:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:48:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:48:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:48:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:48:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-11-23 15:48:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-11-23 15:48:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-11-23 15:48:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-11-23 15:48:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:48:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:48:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-11-23 15:48:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-11-23 15:48:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-11-23 15:48:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-11-23 15:48:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-11-23 15:48:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-11-23 15:48:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:48:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:48:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-11-23 15:48:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-11-23 15:48:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:17,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:17,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:17,138 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:17,143 INFO L158 Benchmark]: Toolchain (without parser) took 2557.82ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 81.1MB in the beginning and 62.6MB in the end (delta: 18.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:17,143 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:17,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1508.81ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 80.8MB in the beginning and 73.2MB in the end (delta: 7.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:17,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.58ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 60.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:17,146 INFO L158 Benchmark]: Boogie Preprocessor took 241.27ms. Allocated memory is still 125.8MB. Free memory was 60.7MB in the beginning and 78.8MB in the end (delta: -18.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:17,146 INFO L158 Benchmark]: RCFGBuilder took 618.19ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 62.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:17,150 INFO L339 ainManager$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 104.9MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1508.81ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 80.8MB in the beginning and 73.2MB in the end (delta: 7.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.58ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 60.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 241.27ms. Allocated memory is still 125.8MB. Free memory was 60.7MB in the beginning and 78.8MB in the end (delta: -18.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * RCFGBuilder took 618.19ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 62.6MB in the end (delta: 16.2MB). 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 15:48:17,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/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_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/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_0057e125-fd76-4225-b758-458b1e00fa8a/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 c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:19,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:19,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:19,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:19,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:19,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:19,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:19,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:19,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:19,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:19,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:19,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:19,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:19,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:19,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:19,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:19,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:19,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:19,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:19,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:19,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:19,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:19,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:19,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:19,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:19,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:19,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:19,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:19,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:19,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:19,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:19,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:19,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:19,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:19,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:19,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:19,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:19,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:19,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:19,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:19,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:19,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:48:20,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:20,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:20,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:20,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:20,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:20,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:20,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:20,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:20,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:20,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:20,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:20,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:20,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:20,008 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:20,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:20,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:20,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:20,009 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:20,009 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:20,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:20,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:20,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:20,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:20,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:20,010 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:20,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:20,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:20,011 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:20,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:20,012 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_0057e125-fd76-4225-b758-458b1e00fa8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2021-11-23 15:48:20,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:20,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:20,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:20,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:20,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:20,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-11-23 15:48:20,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/fd33a7107/1a266cc984cf4ad182c5a931447afbf0/FLAG972d84a47 [2021-11-23 15:48:21,649 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:21,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-11-23 15:48:21,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/fd33a7107/1a266cc984cf4ad182c5a931447afbf0/FLAG972d84a47 [2021-11-23 15:48:22,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/data/fd33a7107/1a266cc984cf4ad182c5a931447afbf0 [2021-11-23 15:48:22,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:22,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:22,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:22,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:22,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:22,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:22" (1/1) ... [2021-11-23 15:48:22,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c160b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:22, skipping insertion in model container [2021-11-23 15:48:22,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:22" (1/1) ... [2021-11-23 15:48:22,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:22,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:22,862 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_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-11-23 15:48:23,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:23,321 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:48:23,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:23,495 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_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-11-23 15:48:23,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:23,657 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:23,800 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_0057e125-fd76-4225-b758-458b1e00fa8a/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-11-23 15:48:23,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:24,086 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:24,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24 WrapperNode [2021-11-23 15:48:24,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:24,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:24,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:24,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:24,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,339 INFO L137 Inliner]: procedures = 105, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1743 [2021-11-23 15:48:24,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:24,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:24,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:24,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:24,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:24,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:24,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:24,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:24,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:24" (1/1) ... [2021-11-23 15:48:24,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:24,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:24,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:48:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:48:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-11-23 15:48:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-11-23 15:48:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:48:24,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:48:24,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-11-23 15:48:24,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-11-23 15:48:24,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 15:48:24,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 15:48:24,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:24,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:48:24,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:48:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-11-23 15:48:24,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-11-23 15:48:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:48:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:48:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-11-23 15:48:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-11-23 15:48:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:48:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:48:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-11-23 15:48:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-11-23 15:48:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-11-23 15:48:24,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-11-23 15:48:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:48:24,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:48:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-11-23 15:48:24,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-11-23 15:48:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:48:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:48:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:48:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:48:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:48:24,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:48:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-11-23 15:48:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-11-23 15:48:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-11-23 15:48:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-11-23 15:48:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-11-23 15:48:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-11-23 15:48:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:48:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:48:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-11-23 15:48:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-11-23 15:48:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:24,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:25,052 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:25,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:25,194 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:25,198 INFO L158 Benchmark]: Toolchain (without parser) took 3090.34ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 59.4MB in the beginning and 51.2MB in the end (delta: 8.1MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:25,199 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:25,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1979.92ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-11-23 15:48:25,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.63ms. Allocated memory is still 104.9MB. Free memory was 44.1MB in the beginning and 56.1MB in the end (delta: -12.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:25,201 INFO L158 Benchmark]: Boogie Preprocessor took 190.58ms. Allocated memory is still 104.9MB. Free memory was 56.1MB in the beginning and 44.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:25,202 INFO L158 Benchmark]: RCFGBuilder took 663.02ms. Allocated memory is still 104.9MB. Free memory was 44.5MB in the beginning and 51.2MB in the end (delta: -6.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:25,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1979.92ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.63ms. Allocated memory is still 104.9MB. Free memory was 44.1MB in the beginning and 56.1MB in the end (delta: -12.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.58ms. Allocated memory is still 104.9MB. Free memory was 56.1MB in the beginning and 44.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 663.02ms. Allocated memory is still 104.9MB. Free memory was 44.5MB in the beginning and 51.2MB in the end (delta: -6.7MB). Peak memory consumption was 19.1MB. 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 15:48:25,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0057e125-fd76-4225-b758-458b1e00fa8a/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