./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i --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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:05,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:05,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:05,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:05,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:05,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:05,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:05,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:05,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:05,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:05,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:05,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:05,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:05,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:05,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:05,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:05,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:05,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:05,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:05,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:05,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:05,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:05,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:05,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:05,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:05,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:05,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:05,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:05,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:05,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:05,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:05,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:05,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:05,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:05,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:05,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:05,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:05,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:05,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:05,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:05,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:05,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 17:23:05,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:05,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:05,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:05,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:05,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:05,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:05,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:05,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:05,717 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:05,717 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:23:05,718 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:05,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:05,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:23:05,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:23:05,719 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:05,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:23:05,720 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:23:05,720 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:23:05,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:23:05,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:23:05,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:05,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:23:05,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:23:05,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:23:05,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:23:05,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:05,725 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:23:05,725 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:23:05,725 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:23:05,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:05,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:23:05,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:23:05,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:05,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:05,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:05,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:05,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:05,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:05,728 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:23:05,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:23:05,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:05,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:05,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2021-11-23 17:23:06,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:06,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:06,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:06,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:06,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:06,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2021-11-23 17:23:06,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/0b9f4a1f0/f4250d21eda44055b9c2b4c2f1d726aa/FLAG662d92037 [2021-11-23 17:23:06,971 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:06,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2021-11-23 17:23:07,019 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/0b9f4a1f0/f4250d21eda44055b9c2b4c2f1d726aa/FLAG662d92037 [2021-11-23 17:23:07,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/0b9f4a1f0/f4250d21eda44055b9c2b4c2f1d726aa [2021-11-23 17:23:07,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:07,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:07,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:07,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:07,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:07,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:07" (1/1) ... [2021-11-23 17:23:07,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351e8a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:07, skipping insertion in model container [2021-11-23 17:23:07,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:07" (1/1) ... [2021-11-23 17:23:07,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:07,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:07,518 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2021-11-23 17:23:08,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:08,959 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-23 17:23:08,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fd4b331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08, skipping insertion in model container [2021-11-23 17:23:08,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:08,960 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:23:08,963 INFO L158 Benchmark]: Toolchain (without parser) took 1840.82ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 59.9MB in the beginning and 102.1MB in the end (delta: -42.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:08,964 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:08,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1832.82ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 59.7MB in the beginning and 102.1MB in the end (delta: -42.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:08,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1832.82ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 59.7MB in the beginning and 102.1MB in the end (delta: -42.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:11,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:11,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:11,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:11,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:11,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:11,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:11,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:11,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:11,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:11,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:11,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:11,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:11,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:11,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:11,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:11,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:11,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:11,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:11,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:11,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:11,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:11,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:11,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:11,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:11,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:11,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:11,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:11,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:11,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:11,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:11,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:11,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:11,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:11,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:11,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:11,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:11,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:11,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:11,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:11,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:11,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 17:23:11,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:11,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:11,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:11,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:11,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:11,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:11,709 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:11,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:11,709 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:11,709 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:11,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:11,709 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:11,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:23:11,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:23:11,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:11,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:23:11,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:23:11,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:23:11,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:23:11,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:23:11,712 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:23:11,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:23:11,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:11,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:11,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:23:11,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:11,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:11,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:11,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:11,714 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:23:11,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:23:11,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:11,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:11,715 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2021-11-23 17:23:12,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:12,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:12,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:12,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:12,197 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:12,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2021-11-23 17:23:12,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/f3776ac0b/16717f8a1b55417c90d853a14cb420d0/FLAGf1e352b0c [2021-11-23 17:23:13,206 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:13,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2021-11-23 17:23:13,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/f3776ac0b/16717f8a1b55417c90d853a14cb420d0/FLAGf1e352b0c [2021-11-23 17:23:13,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/data/f3776ac0b/16717f8a1b55417c90d853a14cb420d0 [2021-11-23 17:23:13,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:13,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:13,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:13,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:13,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:13,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:13" (1/1) ... [2021-11-23 17:23:13,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0fb637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:13, skipping insertion in model container [2021-11-23 17:23:13,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:13" (1/1) ... [2021-11-23 17:23:13,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:13,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:14,110 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2021-11-23 17:23:15,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:15,531 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:23:15,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:15,570 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2021-11-23 17:23:15,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:15,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:15,975 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_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2021-11-23 17:23:16,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:16,461 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:16,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16 WrapperNode [2021-11-23 17:23:16,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:16,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:16,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:16,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:16,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,741 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-11-23 17:23:16,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:16,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:16,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:16,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:16,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:16,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:16,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:16,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:16,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (1/1) ... [2021-11-23 17:23:16,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:16,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:16,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:16,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-23 17:23:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-23 17:23:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-23 17:23:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-23 17:23:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:23:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-23 17:23:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:23:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:23:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:23:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-23 17:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-23 17:23:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-23 17:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:23:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-23 17:23:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-23 17:23:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:23:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:23:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:23:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-23 17:23:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-23 17:23:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-23 17:23:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-23 17:23:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-23 17:23:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-23 17:23:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:23:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:23:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:23:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:23:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:23:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:23:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 17:23:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 17:23:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:23:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:23:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 17:23:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-23 17:23:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-23 17:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:23:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:23:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:23:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-23 17:23:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-23 17:23:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-23 17:23:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-23 17:23:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 17:23:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 17:23:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 17:23:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 17:23:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-23 17:23:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-23 17:23:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-23 17:23:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-23 17:23:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 17:23:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 17:23:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-23 17:23:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-23 17:23:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:23:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-23 17:23:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-23 17:23:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:23:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:23:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 17:23:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 17:23:17,517 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:17,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:23,562 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:23:23,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:23:23,593 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 17:23:23,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:23 BoogieIcfgContainer [2021-11-23 17:23:23,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:23:23,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:23:23,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:23:23,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:23:23,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:23:13" (1/3) ... [2021-11-23 17:23:23,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35231c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:23, skipping insertion in model container [2021-11-23 17:23:23,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:16" (2/3) ... [2021-11-23 17:23:23,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35231c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:23, skipping insertion in model container [2021-11-23 17:23:23,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:23" (3/3) ... [2021-11-23 17:23:23,621 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2021-11-23 17:23:23,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:23:23,628 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-11-23 17:23:23,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:23:23,705 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:23:23,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-11-23 17:23:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-11-23 17:23:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 17:23:23,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:23:23,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 17:23:23,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-23 17:23:23,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:23:23,765 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-11-23 17:23:23,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:23:23,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467188561] [2021-11-23 17:23:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:23:23,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:23:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:23:23,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:23:23,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:23:24,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:23:24,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:23:24,240 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:23:24,246 INFO L158 Benchmark]: Toolchain (without parser) took 10488.89ms. Allocated memory was 56.6MB in the beginning and 169.9MB in the end (delta: 113.2MB). Free memory was 30.2MB in the beginning and 121.7MB in the end (delta: -91.6MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,246 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:24,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2704.66ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 30.0MB in the beginning and 38.9MB in the end (delta: -8.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.34ms. Allocated memory is still 86.0MB. Free memory was 38.9MB in the beginning and 51.8MB in the end (delta: -12.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,247 INFO L158 Benchmark]: Boogie Preprocessor took 142.45ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 43.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,248 INFO L158 Benchmark]: RCFGBuilder took 6715.70ms. Allocated memory was 86.0MB in the beginning and 169.9MB in the end (delta: 83.9MB). Free memory was 43.4MB in the beginning and 68.5MB in the end (delta: -25.2MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,248 INFO L158 Benchmark]: TraceAbstraction took 640.53ms. Allocated memory is still 169.9MB. Free memory was 67.5MB in the beginning and 121.7MB in the end (delta: -54.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-23 17:23:24,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2704.66ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 30.0MB in the beginning and 38.9MB in the end (delta: -8.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.34ms. Allocated memory is still 86.0MB. Free memory was 38.9MB in the beginning and 51.8MB in the end (delta: -12.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.45ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 43.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6715.70ms. Allocated memory was 86.0MB in the beginning and 169.9MB in the end (delta: 83.9MB). Free memory was 43.4MB in the beginning and 68.5MB in the end (delta: -25.2MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * TraceAbstraction took 640.53ms. Allocated memory is still 169.9MB. Free memory was 67.5MB in the beginning and 121.7MB in the end (delta: -54.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:23:24,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aeb8d6e-9be5-4300-8a45-3f3456f6f74c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable