./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:31,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:31,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:32,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:32,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:32,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:32,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:32,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:32,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:32,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:32,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:32,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:32,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:32,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:32,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:32,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:32,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:32,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:32,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:32,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:32,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:32,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:32,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:32,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:32,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:32,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:32,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:32,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:32,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:32,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:32,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:32,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:32,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:32,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:32,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:32,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:32,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:32,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:32,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:32,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:32,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:32,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:06:32,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:32,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:32,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:32,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:32,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:32,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:32,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:06:32,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:32,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:32,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:32,217 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:06:32,217 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:06:32,217 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:06:32,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:32,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:32,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:32,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:32,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:32,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:32,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:32,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:32,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:32,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:32,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:32,220 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa [2021-11-23 15:06:32,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:32,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:32,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:32,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:32,583 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:32,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2021-11-23 15:06:32,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/b19fbb528/300e3707a4f046d8b6cfe35c8a82f221/FLAG057a564a1 [2021-11-23 15:06:33,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:33,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2021-11-23 15:06:33,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/b19fbb528/300e3707a4f046d8b6cfe35c8a82f221/FLAG057a564a1 [2021-11-23 15:06:33,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/b19fbb528/300e3707a4f046d8b6cfe35c8a82f221 [2021-11-23 15:06:33,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:33,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:33,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:33,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:33,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:33,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:33" (1/1) ... [2021-11-23 15:06:33,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc55031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:33, skipping insertion in model container [2021-11-23 15:06:33,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:33" (1/1) ... [2021-11-23 15:06:33,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:33,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:33,899 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2021-11-23 15:06:34,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:34,050 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:34,097 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2021-11-23 15:06:34,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:34,237 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:34,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34 WrapperNode [2021-11-23 15:06:34,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:34,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:34,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:34,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:34,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,444 INFO L137 Inliner]: procedures = 38, calls = 62, calls flagged for inlining = 57, calls inlined = 102, statements flattened = 1860 [2021-11-23 15:06:34,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:34,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:34,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:34,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:34,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:34,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:34,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:34,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:34,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:34,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:34,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:34,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:34,947 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:34,949 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:34,960 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:34,970 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:34,984 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:34,991 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:34,995 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,002 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,009 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,016 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,020 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,022 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,034 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,040 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,042 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,043 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,047 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,052 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,059 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,065 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,078 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,082 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,085 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,087 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,088 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:35,091 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:36,359 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2021-11-23 15:06:36,359 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2021-11-23 15:06:36,360 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-11-23 15:06:36,360 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2021-11-23 15:06:36,360 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2021-11-23 15:06:36,360 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2021-11-23 15:06:36,360 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2021-11-23 15:06:36,361 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2021-11-23 15:06:36,361 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-11-23 15:06:36,361 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-23 15:06:36,361 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-23 15:06:36,361 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-11-23 15:06:36,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-11-23 15:06:36,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-23 15:06:36,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 15:06:36,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-23 15:06:36,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 15:06:36,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-23 15:06:36,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-23 15:06:36,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2021-11-23 15:06:36,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-11-23 15:06:36,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-11-23 15:06:36,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 15:06:36,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 15:06:36,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2021-11-23 15:06:36,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2021-11-23 15:06:36,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2021-11-23 15:06:36,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2021-11-23 15:06:36,368 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2021-11-23 15:06:36,368 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2021-11-23 15:06:36,368 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-23 15:06:36,368 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-23 15:06:36,369 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2021-11-23 15:06:36,369 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2021-11-23 15:06:36,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2021-11-23 15:06:36,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2021-11-23 15:06:36,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2021-11-23 15:06:36,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-11-23 15:06:36,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2021-11-23 15:06:36,371 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-11-23 15:06:36,371 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-23 15:06:36,371 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2021-11-23 15:06:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2021-11-23 15:06:36,373 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:36,526 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:36,539 INFO L158 Benchmark]: Toolchain (without parser) took 2941.10ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 66.9MB in the beginning and 85.9MB in the end (delta: -18.9MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:36,540 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 107.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:36,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.43ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 70.7MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:36,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.25ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 63.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:36,545 INFO L158 Benchmark]: Boogie Preprocessor took 131.67ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 58.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:36,546 INFO L158 Benchmark]: RCFGBuilder took 1957.20ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 85.9MB in the end (delta: -27.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:36,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 107.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.43ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 70.7MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.25ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 63.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.67ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 58.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1957.20ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 85.9MB in the end (delta: -27.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:36,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:39,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:39,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:39,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:39,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:39,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:39,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:39,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:39,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:39,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:39,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:39,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:39,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:39,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:39,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:39,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:39,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:39,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:39,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:39,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:39,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:39,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:39,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:39,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:39,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:39,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:39,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:39,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:39,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:39,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:39,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:39,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:39,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:39,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:39,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:39,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:39,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:39,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:39,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:39,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:39,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:39,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:39,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:39,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:39,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:39,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:39,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:39,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:39,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:06:39,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:39,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:39,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:39,678 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:06:39,678 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:06:39,678 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:06:39,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:39,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:39,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:39,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:39,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:39,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:39,680 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:39,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:39,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:39,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:39,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:39,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:39,682 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:39,682 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:39,683 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:39,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:39,683 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa [2021-11-23 15:06:40,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:40,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:40,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:40,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:40,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:40,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2021-11-23 15:06:40,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/5735e8576/6dc5a8bc45744ff1b06d581cf74cfe77/FLAGa6357fda1 [2021-11-23 15:06:41,173 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:41,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2021-11-23 15:06:41,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/5735e8576/6dc5a8bc45744ff1b06d581cf74cfe77/FLAGa6357fda1 [2021-11-23 15:06:41,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/data/5735e8576/6dc5a8bc45744ff1b06d581cf74cfe77 [2021-11-23 15:06:41,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:41,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:41,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:41,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:41,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:41,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:41" (1/1) ... [2021-11-23 15:06:41,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dff762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:41, skipping insertion in model container [2021-11-23 15:06:41,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:41" (1/1) ... [2021-11-23 15:06:41,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:41,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:41,707 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2021-11-23 15:06:41,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:41,955 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:41,974 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_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2021-11-23 15:06:42,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:42,072 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:42,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42 WrapperNode [2021-11-23 15:06:42,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:42,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:42,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:42,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:42,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,226 INFO L137 Inliner]: procedures = 38, calls = 62, calls flagged for inlining = 57, calls inlined = 102, statements flattened = 1723 [2021-11-23 15:06:42,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:42,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:42,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:42,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:42,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:42,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:42,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:42,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:42,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:42" (1/1) ... [2021-11-23 15:06:42,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:42,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:42,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:42,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:42,812 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:42,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:42,838 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,846 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,852 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,856 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,863 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,870 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,874 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,884 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,886 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,888 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,897 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,902 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,905 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,908 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,914 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,916 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,920 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,923 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,929 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,932 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,935 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,937 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,937 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:42,942 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:06:44,306 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2021-11-23 15:06:44,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2021-11-23 15:06:44,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-11-23 15:06:44,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2021-11-23 15:06:44,308 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2021-11-23 15:06:44,308 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2021-11-23 15:06:44,308 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2021-11-23 15:06:44,308 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2021-11-23 15:06:44,309 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-11-23 15:06:44,309 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-23 15:06:44,309 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-23 15:06:44,309 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-11-23 15:06:44,310 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-11-23 15:06:44,310 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-23 15:06:44,310 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 15:06:44,310 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-23 15:06:44,310 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 15:06:44,311 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-23 15:06:44,311 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-23 15:06:44,311 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2021-11-23 15:06:44,311 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-11-23 15:06:44,312 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-11-23 15:06:44,312 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 15:06:44,312 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 15:06:44,312 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2021-11-23 15:06:44,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2021-11-23 15:06:44,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2021-11-23 15:06:44,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2021-11-23 15:06:44,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2021-11-23 15:06:44,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2021-11-23 15:06:44,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-23 15:06:44,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-23 15:06:44,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2021-11-23 15:06:44,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2021-11-23 15:06:44,315 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2021-11-23 15:06:44,315 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2021-11-23 15:06:44,315 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2021-11-23 15:06:44,315 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-11-23 15:06:44,316 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2021-11-23 15:06:44,316 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-11-23 15:06:44,316 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-23 15:06:44,316 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-23 15:06:44,317 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-23 15:06:44,317 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-23 15:06:44,317 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-11-23 15:06:44,317 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-11-23 15:06:44,318 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2021-11-23 15:06:44,318 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2021-11-23 15:06:44,318 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:44,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:44,485 INFO L158 Benchmark]: Toolchain (without parser) took 3092.56ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 56.4MB in the end (delta: -17.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,486 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:44,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.73ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 34.0MB in the end (delta: 5.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.46ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 27.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,491 INFO L158 Benchmark]: Boogie Preprocessor took 125.88ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 27.1MB in the beginning and 61.0MB in the end (delta: -33.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,492 INFO L158 Benchmark]: RCFGBuilder took 2127.02ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 56.4MB in the end (delta: 4.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.73ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 34.0MB in the end (delta: 5.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.46ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 27.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.88ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 27.1MB in the beginning and 61.0MB in the end (delta: -33.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2127.02ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 56.4MB in the end (delta: 4.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:44,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e996d6-f2b8-4a27-a3cc-d28b94b18a2b/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