./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur --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 32bit --witnessprinter.graph.data.programhash 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- 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-38b53e6 [2022-11-25 22:42:06,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:42:06,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:42:06,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:42:06,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:42:06,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:42:06,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:42:06,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:42:06,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:42:06,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:42:06,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:42:06,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:42:06,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:42:06,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:42:06,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:42:06,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:42:06,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:42:06,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:42:06,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:42:06,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:42:06,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:42:06,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:42:06,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:42:06,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:42:06,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:42:06,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:42:06,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:42:06,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:42:06,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:42:06,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:42:06,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:42:06,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:42:06,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:42:06,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:42:06,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:42:06,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:42:06,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:42:06,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:42:06,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:42:06,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:42:06,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:42:06,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:42:06,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:42:06,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:42:06,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:42:06,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:42:06,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:42:06,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:42:06,172 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:42:06,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:42:06,173 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:42:06,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:42:06,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:42:06,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:42:06,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:42:06,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:42:06,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:42:06,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:42:06,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:42:06,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:42:06,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:42:06,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:42:06,178 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:42:06,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:42:06,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:42:06,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:42:06,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:42:06,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:42:06,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:42:06,180 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:42:06,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:42:06,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:42:06,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:42:06,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:42:06,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:42:06,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:42:06,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:42:06,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:42:06,183 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:42:06,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:42:06,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:42:06,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:42:06,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:42:06,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:42:06,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:42:06,185 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_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2022-11-25 22:42:06,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:42:06,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:42:06,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:42:06,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:42:06,587 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:42:06,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-25 22:42:10,494 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:42:10,892 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:42:10,897 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-25 22:42:10,917 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/9f6a45379/8ea6388d89cd4645956de7f88be64af7/FLAGe0089f7b7 [2022-11-25 22:42:10,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/9f6a45379/8ea6388d89cd4645956de7f88be64af7 [2022-11-25 22:42:10,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:42:10,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:42:10,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:42:10,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:42:10,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:42:10,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:10" (1/1) ... [2022-11-25 22:42:10,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b58bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:10, skipping insertion in model container [2022-11-25 22:42:10,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:10" (1/1) ... [2022-11-25 22:42:10,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:42:11,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:42:11,454 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_a4408a24-81e4-44dd-974c-8000c5070b2f/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i[30176,30189] [2022-11-25 22:42:11,472 WARN L623 FunctionHandler]: Unknown extern function pthread_mutexattr_init [2022-11-25 22:42:11,472 WARN L623 FunctionHandler]: Unknown extern function pthread_mutexattr_settype [2022-11-25 22:42:11,475 ERROR L326 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2022-11-25 22:42:11,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a5cbce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:11, skipping insertion in model container [2022-11-25 22:42:11,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:42:11,477 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:42:11,480 INFO L158 Benchmark]: Toolchain (without parser) took 526.63ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 102.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:42:11,480 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:42:11,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.31ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 102.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:42:11,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.31ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 102.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur --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 32bit --witnessprinter.graph.data.programhash 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- 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-38b53e6 [2022-11-25 22:42:14,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:42:14,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:42:14,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:42:14,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:42:14,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:42:14,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:42:14,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:42:14,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:42:14,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:42:14,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:42:14,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:42:14,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:42:14,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:42:14,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:42:14,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:42:14,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:42:14,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:42:14,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:42:14,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:42:14,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:42:14,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:42:14,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:42:14,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:42:14,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:42:14,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:42:14,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:42:14,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:42:14,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:42:14,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:42:14,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:42:14,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:42:14,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:42:14,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:42:14,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:42:14,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:42:14,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:42:14,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:42:14,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:42:14,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:42:14,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:42:14,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-25 22:42:14,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:42:14,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:42:14,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:42:14,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:42:14,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:42:14,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:42:14,632 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:42:14,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:42:14,632 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:42:14,633 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:42:14,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:42:14,635 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:42:14,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:42:14,636 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:42:14,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:42:14,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:42:14,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:42:14,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:42:14,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:42:14,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:42:14,639 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:42:14,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:42:14,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:42:14,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:42:14,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:42:14,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:42:14,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:42:14,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:42:14,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:42:14,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:42:14,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:42:14,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:42:14,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:42:14,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:42:14,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:42:14,644 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:42:14,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:42:14,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:42:14,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:42:14,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:42:14,645 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_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2022-11-25 22:42:15,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:42:15,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:42:15,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:42:15,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:42:15,199 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:42:15,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-25 22:42:19,476 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:42:19,812 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:42:19,812 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-25 22:42:19,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/7c42a979a/02b706e0501e48c6bbb71caa9b4acb8a/FLAG0c9ec1d09 [2022-11-25 22:42:19,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4408a24-81e4-44dd-974c-8000c5070b2f/bin/utaipan-ByfvJB40ur/data/7c42a979a/02b706e0501e48c6bbb71caa9b4acb8a [2022-11-25 22:42:19,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:42:19,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:42:19,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:42:19,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:42:19,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:42:19,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:19" (1/1) ... [2022-11-25 22:42:19,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536ef9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:19, skipping insertion in model container [2022-11-25 22:42:19,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:19" (1/1) ... [2022-11-25 22:42:19,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:42:19,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:42:20,477 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_a4408a24-81e4-44dd-974c-8000c5070b2f/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i[30176,30189] [2022-11-25 22:42:20,505 WARN L623 FunctionHandler]: Unknown extern function pthread_mutexattr_init [2022-11-25 22:42:20,506 WARN L623 FunctionHandler]: Unknown extern function pthread_mutexattr_settype [2022-11-25 22:42:20,509 ERROR L326 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2022-11-25 22:42:20,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44ef93ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:20, skipping insertion in model container [2022-11-25 22:42:20,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:42:20,511 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:42:20,514 INFO L158 Benchmark]: Toolchain (without parser) took 640.15ms. Allocated memory is still 73.4MB. Free memory was 53.4MB in the beginning and 41.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:42:20,514 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:42:20,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.13ms. Allocated memory is still 73.4MB. Free memory was 53.4MB in the beginning and 41.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:42:20,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.13ms. Allocated memory is still 73.4MB. Free memory was 53.4MB in the beginning and 41.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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