./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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 ea94c2a7f5c98d387db22a0b269794366125ef96ca4390d29fd777c1f058153c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:50,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:50,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:50,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:50,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:50,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:50,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:50,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:50,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:50,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:50,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:50,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:50,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:50,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:50,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:50,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:50,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:50,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:50,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:50,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:50,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:50,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:50,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:50,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:50,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:50,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:50,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:50,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:50,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:50,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:50,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:50,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:50,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:50,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:50,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:50,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:50,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:50,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:50,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:50,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:50,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:50,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:54:50,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:50,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:50,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:50,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:50,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:50,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:50,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:50,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:50,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:50,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:50,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:50,871 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:50,871 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:54:50,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:50,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:50,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:50,872 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:50,872 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:50,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:50,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:50,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:50,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:50,874 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:50,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:50,874 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea94c2a7f5c98d387db22a0b269794366125ef96ca4390d29fd777c1f058153c [2021-11-23 15:54:51,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:51,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:51,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:51,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:51,182 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:51,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-11-23 15:54:51,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/cc38c99e2/4ceaffb6c92a4c99b53f983b6043b09e/FLAG17b55c2b6 [2021-11-23 15:54:51,852 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:51,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-11-23 15:54:51,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/cc38c99e2/4ceaffb6c92a4c99b53f983b6043b09e/FLAG17b55c2b6 [2021-11-23 15:54:52,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/cc38c99e2/4ceaffb6c92a4c99b53f983b6043b09e [2021-11-23 15:54:52,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:52,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:52,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:52,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:52,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:52,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284d214c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52, skipping insertion in model container [2021-11-23 15:54:52,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:52,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:52,474 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-11-23 15:54:52,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:52,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:52,647 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-11-23 15:54:52,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:52,758 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:52,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52 WrapperNode [2021-11-23 15:54:52,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:52,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:52,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:52,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:52,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,873 INFO L137 Inliner]: procedures = 37, calls = 62, calls flagged for inlining = 57, calls inlined = 103, statements flattened = 1864 [2021-11-23 15:54:52,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:52,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:52,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:52,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:52,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:52,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:52,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:52,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:52,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:52,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:52" (1/1) ... [2021-11-23 15:54:53,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:53,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:53,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:53,338 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:53,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:53,350 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,357 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,384 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,389 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,402 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,406 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,410 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,415 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,416 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,417 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,422 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,425 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,426 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,427 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,429 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,432 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,436 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,439 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,442 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,445 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,448 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,449 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,484 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:53,486 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:54,541 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2021-11-23 15:54:54,543 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2021-11-23 15:54:54,543 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-11-23 15:54:54,543 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2021-11-23 15:54:54,543 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2021-11-23 15:54:54,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2021-11-23 15:54:54,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2021-11-23 15:54:54,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2021-11-23 15:54:54,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-11-23 15:54:54,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-23 15:54:54,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-23 15:54:54,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-11-23 15:54:54,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-11-23 15:54:54,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-23 15:54:54,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 15:54:54,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-23 15:54:54,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 15:54:54,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-23 15:54:54,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-23 15:54:54,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2021-11-23 15:54:54,547 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-11-23 15:54:54,548 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-11-23 15:54:54,549 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 15:54:54,549 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 15:54:54,549 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2021-11-23 15:54:54,550 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2021-11-23 15:54:54,550 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2021-11-23 15:54:54,550 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2021-11-23 15:54:54,550 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2021-11-23 15:54:54,550 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2021-11-23 15:54:54,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-23 15:54:54,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-23 15:54:54,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2021-11-23 15:54:54,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2021-11-23 15:54:54,552 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2021-11-23 15:54:54,552 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2021-11-23 15:54:54,552 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2021-11-23 15:54:54,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-11-23 15:54:54,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2021-11-23 15:54:54,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-11-23 15:54:54,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-11-23 15:54:54,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2021-11-23 15:54:54,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2021-11-23 15:54:54,555 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:54,657 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:54:54,662 INFO L158 Benchmark]: Toolchain (without parser) took 2477.57ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 70.9MB in the beginning and 88.3MB in the end (delta: -17.4MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:54,663 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 100.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:54,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.02ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 67.2MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:54,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.02ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 59.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:54,665 INFO L158 Benchmark]: Boogie Preprocessor took 99.39ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:54,671 INFO L158 Benchmark]: RCFGBuilder took 1685.53ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 54.7MB in the beginning and 88.3MB in the end (delta: -33.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:54,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 100.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.02ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 67.2MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.02ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 59.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.39ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1685.53ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 54.7MB in the beginning and 88.3MB in the end (delta: -33.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:54,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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 ea94c2a7f5c98d387db22a0b269794366125ef96ca4390d29fd777c1f058153c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:57,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:57,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:57,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:57,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:57,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:57,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:57,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:57,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:57,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:57,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:57,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:57,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:57,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:57,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:57,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:57,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:57,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:57,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:57,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:57,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:57,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:57,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:57,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:57,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:57,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:57,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:57,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:57,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:57,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:57,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:57,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:57,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:57,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:57,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:57,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:57,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:57,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:57,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:57,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:57,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:57,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:57,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:57,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:57,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:57,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:57,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:57,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:57,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:57,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:57,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:57,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:57,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:57,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:57,337 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:54:57,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:57,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:57,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:57,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:57,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:57,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:57,338 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:57,338 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:57,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:57,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:57,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:57,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:57,340 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:57,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:57,340 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:57,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:57,341 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea94c2a7f5c98d387db22a0b269794366125ef96ca4390d29fd777c1f058153c [2021-11-23 15:54:57,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:57,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:57,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:57,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:57,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:57,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-11-23 15:54:57,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/763b02b55/65466af27be6464a853d57f8be98ffca/FLAG66cdb093f [2021-11-23 15:54:58,396 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:58,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-11-23 15:54:58,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/763b02b55/65466af27be6464a853d57f8be98ffca/FLAG66cdb093f [2021-11-23 15:54:58,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/data/763b02b55/65466af27be6464a853d57f8be98ffca [2021-11-23 15:54:58,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:58,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:58,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:58,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:58,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:58,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff11dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58, skipping insertion in model container [2021-11-23 15:54:58,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:58,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:58,919 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-11-23 15:54:59,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:59,083 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:59,099 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_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-11-23 15:54:59,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:59,223 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:59,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59 WrapperNode [2021-11-23 15:54:59,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:59,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:59,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:59,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:59,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,384 INFO L137 Inliner]: procedures = 37, calls = 62, calls flagged for inlining = 57, calls inlined = 103, statements flattened = 1727 [2021-11-23 15:54:59,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:59,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:59,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:59,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:59,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:59,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:59,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:59,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:59,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:59" (1/1) ... [2021-11-23 15:54:59,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:59,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:59,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:59,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:59,886 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:59,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:59,898 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,903 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,907 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,910 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,911 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,914 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,917 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,920 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,922 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,922 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,926 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,928 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,929 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,929 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,931 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,933 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,936 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,938 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,943 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,946 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,950 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,956 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,957 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:54:59,958 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:55:01,155 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2021-11-23 15:55:01,155 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2021-11-23 15:55:01,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-11-23 15:55:01,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2021-11-23 15:55:01,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2021-11-23 15:55:01,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2021-11-23 15:55:01,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-11-23 15:55:01,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-11-23 15:55:01,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-23 15:55:01,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 15:55:01,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-23 15:55:01,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-11-23 15:55:01,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 15:55:01,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 15:55:01,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2021-11-23 15:55:01,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2021-11-23 15:55:01,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2021-11-23 15:55:01,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2021-11-23 15:55:01,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2021-11-23 15:55:01,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2021-11-23 15:55:01,162 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-23 15:55:01,162 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-23 15:55:01,162 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2021-11-23 15:55:01,162 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2021-11-23 15:55:01,162 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-11-23 15:55:01,163 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-11-23 15:55:01,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2021-11-23 15:55:01,165 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2021-11-23 15:55:01,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:01,257 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:55:01,265 INFO L158 Benchmark]: Toolchain (without parser) took 2582.71ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.3MB in the beginning and 55.6MB in the end (delta: -14.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:01,266 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:01,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.92ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 35.9MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:01,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.41ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 29.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:01,268 INFO L158 Benchmark]: Boogie Preprocessor took 153.05ms. Allocated memory is still 62.9MB. Free memory was 29.1MB in the beginning and 41.1MB in the end (delta: -12.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:01,269 INFO L158 Benchmark]: RCFGBuilder took 1712.15ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.1MB in the beginning and 55.6MB in the end (delta: -14.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:01,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.92ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 35.9MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.41ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 29.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.05ms. Allocated memory is still 62.9MB. Free memory was 29.1MB in the beginning and 41.1MB in the end (delta: -12.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1712.15ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.1MB in the beginning and 55.6MB in the end (delta: -14.5MB). Peak memory consumption was 30.1MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:01,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de05a6e-95e1-47e6-8ae7-8c7dbf497e51/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