./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/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_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 19:47:18,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:47:18,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:47:18,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:47:18,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:47:18,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:47:18,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:47:18,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:47:18,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:47:18,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:47:18,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:47:18,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:47:18,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:47:18,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:47:18,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:47:18,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:47:18,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:47:18,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:47:18,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:47:18,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:47:18,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:47:18,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:47:18,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:47:18,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:47:18,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:47:18,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:47:18,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:47:18,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:47:18,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:47:18,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:47:18,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:47:18,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:47:18,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:47:18,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:47:18,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:47:18,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:47:18,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:47:18,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:47:18,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:47:18,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:47:18,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:47:18,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 19:47:18,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:47:18,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:47:18,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:47:18,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:47:18,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:47:18,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:47:18,263 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:47:18,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:47:18,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:47:18,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:47:18,265 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:47:18,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:47:18,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:47:18,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:47:18,266 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:47:18,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:47:18,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:47:18,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:47:18,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:47:18,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:47:18,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:47:18,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:47:18,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:47:18,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:47:18,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:47:18,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:47:18,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:47:18,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:47:18,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:47:18,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:47:18,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:47:18,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:47:18,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:47:18,272 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:47:18,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:47:18,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:47:18,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:47:18,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:47:18,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:47:18,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:47:18,274 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-20 19:47:18,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:47:18,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:47:18,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:47:18,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:47:18,615 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:47:18,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-20 19:47:21,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:47:23,550 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:47:23,550 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-20 19:47:23,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/d218dab85/59489874153241d3b5563f0a52520bfc/FLAG61a8b4a67 [2022-11-20 19:47:23,767 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/d218dab85/59489874153241d3b5563f0a52520bfc [2022-11-20 19:47:23,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:47:23,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:47:23,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:47:23,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:47:23,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:47:23,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:23" (1/1) ... [2022-11-20 19:47:23,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1e85a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:23, skipping insertion in model container [2022-11-20 19:47:23,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:23" (1/1) ... [2022-11-20 19:47:23,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:47:24,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:47:47,282 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-20 19:47:47,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-20 19:47:47,293 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-20 19:47:47,294 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-20 19:47:47,300 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-20 19:47:47,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-20 19:47:47,302 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-20 19:47:47,307 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-20 19:47:47,309 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-20 19:47:47,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-20 19:47:47,383 WARN L237 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[493420,493433] [2022-11-20 19:47:47,385 WARN L237 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494046,494059] [2022-11-20 19:47:47,385 WARN L237 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494103,494116] [2022-11-20 19:47:47,386 WARN L237 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494179,494192] [2022-11-20 19:47:47,620 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-20 19:47:47,643 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-20 19:47:47,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@599f2674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:47, skipping insertion in model container [2022-11-20 19:47:47,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:47:47,644 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 19:47:47,646 INFO L158 Benchmark]: Toolchain (without parser) took 23873.97ms. Allocated memory was 186.6MB in the beginning and 310.4MB in the end (delta: 123.7MB). Free memory was 96.7MB in the beginning and 213.1MB in the end (delta: -116.3MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. [2022-11-20 19:47:47,647 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:47:47,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 23869.81ms. Allocated memory was 186.6MB in the beginning and 310.4MB in the end (delta: 123.7MB). Free memory was 96.7MB in the beginning and 213.1MB in the end (delta: -116.3MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. [2022-11-20 19:47:47,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 23869.81ms. Allocated memory was 186.6MB in the beginning and 310.4MB in the end (delta: 123.7MB). Free memory was 96.7MB in the beginning and 213.1MB in the end (delta: -116.3MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12041]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/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_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 19:47:49,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:47:49,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:47:49,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:47:49,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:47:49,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:47:49,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:47:49,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:47:49,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:47:49,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:47:49,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:47:49,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:47:49,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:47:49,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:47:49,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:47:49,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:47:49,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:47:49,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:47:49,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:47:49,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:47:49,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:47:49,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:47:49,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:47:49,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:47:49,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:47:49,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:47:49,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:47:49,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:47:49,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:47:49,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:47:49,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:47:49,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:47:49,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:47:50,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:47:50,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:47:50,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:47:50,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:47:50,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:47:50,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:47:50,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:47:50,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:47:50,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 19:47:50,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:47:50,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:47:50,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:47:50,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:47:50,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:47:50,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:47:50,065 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:47:50,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:47:50,065 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:47:50,065 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:47:50,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:47:50,067 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:47:50,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:47:50,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:47:50,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:47:50,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:47:50,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:47:50,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:47:50,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:47:50,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:47:50,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:47:50,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:47:50,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:47:50,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:47:50,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:47:50,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:47:50,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:47:50,072 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_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-20 19:47:50,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:47:50,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:47:50,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:47:50,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:47:50,542 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:47:50,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-20 19:47:53,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:47:55,620 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:47:55,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-20 19:47:55,813 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/3882ca9b1/fcebddc3bec54291b9f2f6a1f1efc740/FLAGe0c903fba [2022-11-20 19:47:55,839 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7b2a-c413-4ff3-b751-d917e72cc629/bin/utaipan-6cKwYrpEi9/data/3882ca9b1/fcebddc3bec54291b9f2f6a1f1efc740 [2022-11-20 19:47:55,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:47:55,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:47:55,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:47:55,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:47:55,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:47:55,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:55" (1/1) ... [2022-11-20 19:47:55,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f76019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:55, skipping insertion in model container [2022-11-20 19:47:55,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:55" (1/1) ... [2022-11-20 19:47:55,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:47:56,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:47:57,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:152) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:455) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2022-11-20 19:47:57,241 INFO L158 Benchmark]: Toolchain (without parser) took 1393.49ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 56.3MB in the beginning and 81.6MB in the end (delta: -25.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-20 19:47:57,241 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:47:57,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.51ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 81.6MB in the end (delta: -25.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-20 19:47:57,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.51ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 81.6MB in the end (delta: -25.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) 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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.