./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:49:05,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:49:05,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:49:05,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:49:05,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:49:05,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:49:05,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:49:05,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:49:05,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:49:05,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:49:05,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:49:05,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:49:05,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:49:05,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:49:05,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:49:05,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:49:05,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:49:05,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:49:05,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:49:05,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:49:05,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:49:05,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:49:05,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:49:05,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:49:05,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:49:05,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:49:05,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:49:05,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:49:05,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:49:05,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:49:05,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:49:05,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:49:05,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:49:05,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:49:05,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:49:05,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:49:05,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:49:05,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:49:05,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:49:05,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:49:05,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:49:05,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:49:05,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:49:05,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:49:05,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:49:05,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:49:05,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:49:05,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:49:05,808 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:49:05,808 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:49:05,809 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:49:05,809 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:49:05,810 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:49:05,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:49:05,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:49:05,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:49:05,811 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:49:05,811 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:49:05,812 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:49:05,812 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:49:05,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:49:05,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:49:05,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:49:05,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:49:05,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:49:05,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:49:05,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:49:05,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:49:05,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:49:05,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:49:05,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:49:05,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:05,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:49:05,818 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:49:05,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:49:05,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:49:05,818 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:49:05,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:49:05,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:49:05,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:49:05,819 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-19 07:49:06,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:49:06,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:49:06,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:49:06,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:49:06,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:49:06,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-19 07:49:06,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/9c55a7066/c75090b6c7e044589262f3193c1338d3/FLAG46c2772ab [2022-11-19 07:49:08,815 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:49:08,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-19 07:49:09,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/9c55a7066/c75090b6c7e044589262f3193c1338d3/FLAG46c2772ab [2022-11-19 07:49:09,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/9c55a7066/c75090b6c7e044589262f3193c1338d3 [2022-11-19 07:49:09,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:49:09,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:49:09,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:09,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:49:09,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:49:09,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:09" (1/1) ... [2022-11-19 07:49:09,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cf631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:09, skipping insertion in model container [2022-11-19 07:49:09,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:09" (1/1) ... [2022-11-19 07:49:09,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:49:09,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:49:35,148 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 07:49:35,158 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 07:49:35,159 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 07:49:35,161 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 07:49:35,165 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 07:49:35,166 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 07:49:35,167 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 07:49:35,178 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 07:49:35,179 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 07:49:35,247 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 07:49:35,259 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[493420,493433] [2022-11-19 07:49:35,266 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494046,494059] [2022-11-19 07:49:35,268 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494103,494116] [2022-11-19 07:49:35,268 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494179,494192] [2022-11-19 07:49:35,320 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 07:49:35,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cead74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:35, skipping insertion in model container [2022-11-19 07:49:35,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:35,321 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:49:35,323 INFO L158 Benchmark]: Toolchain (without parser) took 26065.66ms. Allocated memory was 161.5MB in the beginning and 318.8MB in the end (delta: 157.3MB). Free memory was 78.1MB in the beginning and 165.6MB in the end (delta: -87.5MB). Peak memory consumption was 183.5MB. Max. memory is 16.1GB. [2022-11-19 07:49:35,323 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:49:35,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 26058.85ms. Allocated memory was 161.5MB in the beginning and 318.8MB in the end (delta: 157.3MB). Free memory was 78.1MB in the beginning and 165.6MB in the end (delta: -87.5MB). Peak memory consumption was 183.5MB. Max. memory is 16.1GB. [2022-11-19 07:49:35,326 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 107.0MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 26058.85ms. Allocated memory was 161.5MB in the beginning and 318.8MB in the end (delta: 157.3MB). Free memory was 78.1MB in the beginning and 165.6MB in the end (delta: -87.5MB). Peak memory consumption was 183.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9395]: Unsupported Syntax Unsupported function: getenv 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:49:37,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:49:37,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:49:37,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:49:37,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:49:37,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:49:37,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:49:37,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:49:37,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:49:37,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:49:37,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:49:37,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:49:37,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:49:37,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:49:37,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:49:37,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:49:37,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:49:37,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:49:37,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:49:37,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:49:37,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:49:37,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:49:37,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:49:37,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:49:37,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:49:37,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:49:37,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:49:37,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:49:37,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:49:37,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:49:37,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:49:37,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:49:37,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:49:37,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:49:37,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:49:37,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:49:37,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:49:37,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:49:37,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:49:37,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:49:37,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:49:37,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:49:37,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:49:37,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:49:37,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:49:37,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:49:37,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:49:37,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:49:37,702 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:49:37,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:49:37,702 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:49:37,702 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:49:37,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:49:37,704 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:49:37,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:49:37,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:49:37,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:49:37,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:49:37,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:49:37,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:49:37,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:49:37,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:49:37,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:49:37,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:49:37,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:49:37,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:49:37,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:49:37,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:49:37,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:37,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:49:37,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:49:37,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:49:37,710 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:49:37,711 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:49:37,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:49:37,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:49:37,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:49:37,712 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-19 07:49:38,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:49:38,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:49:38,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:49:38,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:49:38,115 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:49:38,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-19 07:49:38,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/2ac6a9a6b/a2738b7a9f3147e7a211ea9721b40b86/FLAG9a56488ee [2022-11-19 07:49:40,623 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:49:40,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-19 07:49:40,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/2ac6a9a6b/a2738b7a9f3147e7a211ea9721b40b86/FLAG9a56488ee [2022-11-19 07:49:41,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/bin/utaipan-I9t0OCRTmS/data/2ac6a9a6b/a2738b7a9f3147e7a211ea9721b40b86 [2022-11-19 07:49:41,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:49:41,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:49:41,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:41,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:49:41,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:49:41,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:41" (1/1) ... [2022-11-19 07:49:41,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6eaee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:41, skipping insertion in model container [2022-11-19 07:49:41,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:41" (1/1) ... [2022-11-19 07:49:41,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:49:41,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:50:06,717 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 07:50:06,718 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 07:50:06,719 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 07:50:06,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 07:50:06,722 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 07:50:06,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 07:50:06,724 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 07:50:06,727 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 07:50:06,728 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 07:50:06,777 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 07:50:06,788 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[493420,493433] [2022-11-19 07:50:06,804 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494046,494059] [2022-11-19 07:50:06,805 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494103,494116] [2022-11-19 07:50:06,806 WARN L234 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_030a5d9f-a0f7-4c1d-8f63-8cadedc0fc7e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494179,494192] [2022-11-19 07:50:06,880 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 07:50:06,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@220417d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:06, skipping insertion in model container [2022-11-19 07:50:06,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:50:06,881 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:50:06,883 INFO L158 Benchmark]: Toolchain (without parser) took 25782.99ms. Allocated memory was 134.2MB in the beginning and 316.7MB in the end (delta: 182.5MB). Free memory was 58.5MB in the beginning and 219.8MB in the end (delta: -161.4MB). Peak memory consumption was 192.2MB. Max. memory is 16.1GB. [2022-11-19 07:50:06,884 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:06,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 25780.60ms. Allocated memory was 134.2MB in the beginning and 316.7MB in the end (delta: 182.5MB). Free memory was 58.5MB in the beginning and 219.8MB in the end (delta: -161.4MB). Peak memory consumption was 192.2MB. Max. memory is 16.1GB. [2022-11-19 07:50:06,887 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 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 25780.60ms. Allocated memory was 134.2MB in the beginning and 316.7MB in the end (delta: 182.5MB). Free memory was 58.5MB in the beginning and 219.8MB in the end (delta: -161.4MB). Peak memory consumption was 192.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9395]: Unsupported Syntax Unsupported function: getenv RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN