./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- 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-2329fc7 [2022-12-14 14:08:52,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:08:52,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:08:52,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:08:52,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:08:52,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:08:52,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:08:52,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:08:52,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:08:52,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:08:52,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:08:52,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:08:52,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:08:52,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:08:52,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:08:52,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:08:52,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:08:52,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:08:52,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:08:52,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:08:52,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:08:52,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:08:52,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:08:52,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:08:52,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:08:52,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:08:52,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:08:52,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:08:52,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:08:52,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:08:52,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:08:52,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:08:52,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:08:52,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:08:52,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:08:52,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:08:52,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:08:52,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:08:52,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:08:52,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:08:52,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:08:52,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 14:08:52,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:08:52,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:08:52,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:08:52,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:08:52,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:08:52,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:08:52,801 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:08:52,801 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:08:52,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:08:52,803 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:08:52,803 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:08:52,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:08:52,803 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:08:52,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:08:52,804 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:08:52,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:08:52,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:08:52,806 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 14:08:52,806 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:08:52,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:08:52,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:08:52,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:08:52,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:08:52,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:08:52,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:08:52,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:08:52,807 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:08:52,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:08:52,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:08:52,808 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:08:52,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:08:52,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:08:52,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:08:52,808 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_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2022-12-14 14:08:53,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:08:53,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:08:53,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:08:53,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:08:53,029 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:08:53,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2022-12-14 14:08:55,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:08:55,843 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:08:55,844 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2022-12-14 14:08:55,853 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/data/bd0ab5f96/032d09c413314cb8afbdf2c42dc3482c/FLAGcca7944d8 [2022-12-14 14:08:55,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/data/bd0ab5f96/032d09c413314cb8afbdf2c42dc3482c [2022-12-14 14:08:55,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:08:55,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:08:55,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:08:55,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:08:55,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:08:55,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:08:55" (1/1) ... [2022-12-14 14:08:55,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c99e3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:55, skipping insertion in model container [2022-12-14 14:08:55,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:08:55" (1/1) ... [2022-12-14 14:08:55,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:08:55,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:08:56,014 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_0fdc87ab-7750-43c2-96ab-5cb246b9e025/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2022-12-14 14:08:56,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:08:56,181 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:08:56,190 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_0fdc87ab-7750-43c2-96ab-5cb246b9e025/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2022-12-14 14:08:56,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:08:56,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:08:56,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:08:56,277 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:08:56,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56 WrapperNode [2022-12-14 14:08:56,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:08:56,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:08:56,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:08:56,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:08:56,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,326 INFO L138 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 575 [2022-12-14 14:08:56,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:08:56,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:08:56,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:08:56,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:08:56,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:08:56,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:08:56,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:08:56,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:08:56,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:56" (1/1) ... [2022-12-14 14:08:56,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:08:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:56,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:08:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fdc87ab-7750-43c2-96ab-5cb246b9e025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:08:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:08:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 14:08:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 14:08:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 14:08:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 14:08:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 14:08:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 14:08:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 14:08:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 14:08:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:08:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 14:08:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:08:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:08:56,504 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 14:08:56,689 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:08:56,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:08:58,180 INFO L276 CfgBuilder]: Performing block encoding