./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --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_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/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_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/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_6ba8ebb5-13b4-472d-974c-13943d6924a7/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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- 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 23:24:13,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:24:13,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:24:13,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:24:13,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:24:13,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:24:13,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:24:13,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:24:13,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:24:13,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:24:13,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:24:13,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:24:13,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:24:13,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:24:13,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:24:13,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:24:13,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:24:13,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:24:13,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:24:13,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:24:13,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:24:13,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:24:13,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:24:13,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:24:13,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:24:13,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:24:13,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:24:13,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:24:13,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:24:13,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:24:13,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:24:13,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:24:13,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:24:13,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:24:13,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:24:13,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:24:13,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:24:13,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:24:13,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:24:13,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:24:13,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:24:13,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:24:13,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:24:13,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:24:13,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:24:13,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:24:13,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:24:13,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:24:13,178 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:24:13,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:24:13,179 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:24:13,179 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:24:13,179 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:24:13,179 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:24:13,180 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:24:13,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:24:13,180 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:24:13,181 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:24:13,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:24:13,181 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:24:13,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:24:13,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:24:13,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:24:13,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:24:13,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:24:13,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:24:13,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:24:13,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:24:13,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:24:13,184 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:24:13,185 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:24:13,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:24:13,185 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:24:13,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:24:13,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:24:13,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:24:13,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:13,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:24:13,187 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:24:13,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:24:13,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:24:13,188 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:24:13,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:24:13,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:24:13,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:24:13,189 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_6ba8ebb5-13b4-472d-974c-13943d6924a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2022-11-25 23:24:13,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:24:13,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:24:13,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:24:13,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:24:13,430 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:24:13,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-25 23:24:16,594 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:24:17,043 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:24:17,044 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-25 23:24:17,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/data/180d8fdac/ebd1e6a778d246efb8f64a480be2aec8/FLAGd18f0c59e [2022-11-25 23:24:17,074 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/data/180d8fdac/ebd1e6a778d246efb8f64a480be2aec8 [2022-11-25 23:24:17,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:24:17,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:24:17,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:17,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:24:17,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:24:17,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:17" (1/1) ... [2022-11-25 23:24:17,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa37ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:17, skipping insertion in model container [2022-11-25 23:24:17,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:17" (1/1) ... [2022-11-25 23:24:17,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:24:17,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:24:17,937 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_6ba8ebb5-13b4-472d-974c-13943d6924a7/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-25 23:24:17,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:17,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:17,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:17,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:17,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:17,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:17,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:17,977 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:24:18,028 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_6ba8ebb5-13b4-472d-974c-13943d6924a7/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-25 23:24:18,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:18,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:18,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:18,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:18,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:24:18,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:24:18,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:18,159 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:24:18,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18 WrapperNode [2022-11-25 23:24:18,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:18,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:18,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:24:18,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:24:18,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,265 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2022-11-25 23:24:18,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:18,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:24:18,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:24:18,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:24:18,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:24:18,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:24:18,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:24:18,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:24:18,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (1/1) ... [2022-11-25 23:24:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:18,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:24:18,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:24:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:24:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 23:24:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 23:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:24:18,451 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:24:18,749 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:24:18,751 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:24:18,947 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:24:18,987 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:24:18,988 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:24:18,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:18 BoogieIcfgContainer [2022-11-25 23:24:18,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:24:19,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:24:19,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:24:19,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:24:19,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:24:17" (1/3) ... [2022-11-25 23:24:19,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a21e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:19, skipping insertion in model container [2022-11-25 23:24:19,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:18" (2/3) ... [2022-11-25 23:24:19,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a21e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:19, skipping insertion in model container [2022-11-25 23:24:19,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:18" (3/3) ... [2022-11-25 23:24:19,008 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2022-11-25 23:24:19,020 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:24:19,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:24:19,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 23:24:19,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a21e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:24:19, skipping insertion in model container [2022-11-25 23:24:19,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:24:19,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:24:19,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:24:19,035 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:24:19,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:18" (3/3) ... [2022-11-25 23:24:19,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:24:19,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 23:24:19,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-25 23:24:19,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 23:24:19,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:24:19,061 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:24:19,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:24:19,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:24:19,116 INFO L158 Benchmark]: Toolchain (without parser) took 2037.65ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 86.6MB in the end (delta: 27.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,116 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:24:19,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.39ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 58.0MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.95ms. Allocated memory is still 146.8MB. Free memory was 58.0MB in the beginning and 115.2MB in the end (delta: -57.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,118 INFO L158 Benchmark]: Boogie Preprocessor took 81.32ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,118 INFO L158 Benchmark]: RCFGBuilder took 642.67ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 92.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,118 INFO L158 Benchmark]: TraceAbstraction took 32.70ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,119 INFO L158 Benchmark]: Witness Printer took 79.64ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 86.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:24:19,125 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 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.39ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 58.0MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.95ms. Allocated memory is still 146.8MB. Free memory was 58.0MB in the beginning and 115.2MB in the end (delta: -57.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.32ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.67ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 92.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 32.70ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 79.64ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 86.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. 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! [2022-11-25 23:24:19,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba8ebb5-13b4-472d-974c-13943d6924a7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE