./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/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 b27d2c0de3bd785d7b0c7ad6e06bc0deeddc3f352acc333757e88f24286e9797 --- 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 [2022-11-26 00:40:58,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:40:58,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:40:58,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:40:58,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:40:58,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:40:58,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:40:58,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:40:58,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:40:58,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:40:58,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:40:58,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:40:58,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:40:58,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:40:58,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:40:58,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:40:58,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:40:58,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:40:58,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:40:58,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:40:58,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:40:58,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:40:58,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:40:58,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:40:58,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:40:58,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:40:58,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:40:58,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:40:58,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:40:58,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:40:58,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:40:58,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:40:58,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:40:58,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:40:58,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:40:58,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:40:58,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:40:58,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:40:58,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:40:58,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:40:58,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:40:58,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:40:58,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:40:58,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:40:58,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:40:58,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:40:58,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:40:58,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:40:58,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:40:58,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:40:58,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:40:58,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:40:58,891 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:40:58,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:40:58,892 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:40:58,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:40:58,892 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:40:58,892 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:40:58,893 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:40:58,893 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:40:58,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:40:58,894 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:40:58,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:40:58,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:40:58,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:40:58,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:40:58,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:40:58,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:40:58,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:40:58,896 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:40:58,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:40:58,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:40:58,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:40:58,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:40:58,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:40:58,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:40:58,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:58,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:40:58,899 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:40:58,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:40:58,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:40:58,900 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:40:58,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:40:58,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:40:58,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:40:58,902 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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b27d2c0de3bd785d7b0c7ad6e06bc0deeddc3f352acc333757e88f24286e9797 [2022-11-26 00:40:59,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:40:59,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:40:59,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:40:59,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:40:59,213 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:40:59,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2022-11-26 00:41:02,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:41:02,538 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:41:02,538 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2022-11-26 00:41:02,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/data/79fb21a66/8156ffd026d04ef78290317608f44b29/FLAGbba8394b9 [2022-11-26 00:41:02,565 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/data/79fb21a66/8156ffd026d04ef78290317608f44b29 [2022-11-26 00:41:02,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:41:02,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:41:02,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:41:02,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:41:02,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:41:02,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79030a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02, skipping insertion in model container [2022-11-26 00:41:02,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:41:02,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:41:02,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,815 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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-11-26 00:41:02,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:41:02,826 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:41:02,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:41:02,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:41:02,850 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_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-11-26 00:41:02,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:41:02,865 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:41:02,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02 WrapperNode [2022-11-26 00:41:02,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:41:02,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:41:02,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:41:02,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:41:02,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,902 INFO L138 Inliner]: procedures = 20, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-11-26 00:41:02,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:41:02,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:41:02,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:41:02,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:41:02,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:41:02,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:41:02,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:41:02,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:41:02,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (1/1) ... [2022-11-26 00:41:02,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:41:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:02,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:41:02,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:41:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:41:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-26 00:41:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-26 00:41:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-26 00:41:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:41:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:41:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:41:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:41:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:41:03,035 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:41:03,154 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:41:03,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:41:03,376 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:41:03,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:41:03,402 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:41:03,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:03 BoogieIcfgContainer [2022-11-26 00:41:03,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:41:03,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:41:03,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:41:03,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:41:03,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:41:02" (1/3) ... [2022-11-26 00:41:03,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38320de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:03, skipping insertion in model container [2022-11-26 00:41:03,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:02" (2/3) ... [2022-11-26 00:41:03,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38320de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:03, skipping insertion in model container [2022-11-26 00:41:03,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:03" (3/3) ... [2022-11-26 00:41:03,414 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2022-11-26 00:41:03,439 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:41:03,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:41:03,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-26 00:41:03,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38320de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:41:03, skipping insertion in model container [2022-11-26 00:41:03,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:41:03,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:41:03,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:41:03,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:41:03,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:03" (3/3) ... [2022-11-26 00:41:03,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:41:03,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-26 00:41:03,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-26 00:41:03,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-26 00:41:03,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 00:41:03,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:41:03,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:41:03,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:41:03,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:41:03,555 INFO L158 Benchmark]: Toolchain (without parser) took 985.29ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 145.0MB in the end (delta: -13.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,555 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:41:03,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.58ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 119.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.40ms. Allocated memory is still 174.1MB. Free memory was 118.9MB in the beginning and 117.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,557 INFO L158 Benchmark]: Boogie Preprocessor took 29.64ms. Allocated memory is still 174.1MB. Free memory was 117.7MB in the beginning and 115.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,557 INFO L158 Benchmark]: RCFGBuilder took 471.57ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 102.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,558 INFO L158 Benchmark]: TraceAbstraction took 45.90ms. Allocated memory is still 174.1MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,558 INFO L158 Benchmark]: Witness Printer took 99.49ms. Allocated memory is still 174.1MB. Free memory was 99.3MB in the beginning and 145.0MB in the end (delta: -45.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-26 00:41:03,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.58ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 119.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.40ms. Allocated memory is still 174.1MB. Free memory was 118.9MB in the beginning and 117.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.64ms. Allocated memory is still 174.1MB. Free memory was 117.7MB in the beginning and 115.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.57ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 102.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 45.90ms. Allocated memory is still 174.1MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.49ms. Allocated memory is still 174.1MB. Free memory was 99.3MB in the beginning and 145.0MB in the end (delta: -45.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-26 00:41:03,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9d3590-51d0-4dcc-9d6f-5bad0571ca97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE